Home / 57,721.10-86,581.65-53,444.30

Finding the Fourth Proportional to 57,721.10, 86,581.65 and 53,444.30

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Solution

The fourth proportional to 57,721.10, 86,581.65 and 53,444.30 is: 80,166.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,721.10 : 86,581.65 = 53,444.30 : x
  2. Step 2: Convert to fraction form
    57,721.10/86,581.65 = 53,444.30/x
  3. Step 3: Cross multiply
    57,721.10x = 86,581.65 × 53,444.30
  4. Step 4: Simplify right side
    57,721.10x = 4,627,295,677.10
  5. Step 5: Solve for x
    x = 4,627,295,677.10/57,721.10
  6. Step 6: Final answer
    x = 80,166.45

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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.