Home / 53,000.65-73,205.54-39,631.06

Finding the Fourth Proportional to 53,000.65, 73,205.54 and 39,631.06

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Solution

The fourth proportional to 53,000.65, 73,205.54 and 39,631.06 is: 54,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,000.65 : 73,205.54 = 39,631.06 : x
  2. Step 2: Convert to fraction form
    53,000.65/73,205.54 = 39,631.06/x
  3. Step 3: Cross multiply
    53,000.65x = 73,205.54 × 39,631.06
  4. Step 4: Simplify right side
    53,000.65x = 2,901,213,148.07
  5. Step 5: Solve for x
    x = 2,901,213,148.07/53,000.65
  6. Step 6: Final answer
    x = 54,739.20

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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.