Home / 53,009.69-73,153.94-28,810.65

Finding the Fourth Proportional to 53,009.69, 73,153.94 and 28,810.65

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Solution

The fourth proportional to 53,009.69, 73,153.94 and 28,810.65 is: 39,759.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,009.69 : 73,153.94 = 28,810.65 : x
  2. Step 2: Convert to fraction form
    53,009.69/73,153.94 = 28,810.65/x
  3. Step 3: Cross multiply
    53,009.69x = 73,153.94 × 28,810.65
  4. Step 4: Simplify right side
    53,009.69x = 2,107,612,561.46
  5. Step 5: Solve for x
    x = 2,107,612,561.46/53,009.69
  6. Step 6: Final answer
    x = 39,759.01

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.