Home / 53,240.09-79,783.56-36,618.89

Finding the Fourth Proportional to 53,240.09, 79,783.56 and 36,618.89

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Solution

The fourth proportional to 53,240.09, 79,783.56 and 36,618.89 is: 54,875.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,240.09 : 79,783.56 = 36,618.89 : x
  2. Step 2: Convert to fraction form
    53,240.09/79,783.56 = 36,618.89/x
  3. Step 3: Cross multiply
    53,240.09x = 79,783.56 × 36,618.89
  4. Step 4: Simplify right side
    53,240.09x = 2,921,585,008.53
  5. Step 5: Solve for x
    x = 2,921,585,008.53/53,240.09
  6. Step 6: Final answer
    x = 54,875.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.