Home / 84,418.10-126,397.35-59,420.69

Finding the Fourth Proportional to 84,418.10, 126,397.35 and 59,420.69

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Solution

The fourth proportional to 84,418.10, 126,397.35 and 59,420.69 is: 88,969.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,418.10 : 126,397.35 = 59,420.69 : x
  2. Step 2: Convert to fraction form
    84,418.10/126,397.35 = 59,420.69/x
  3. Step 3: Cross multiply
    84,418.10x = 126,397.35 × 59,420.69
  4. Step 4: Simplify right side
    84,418.10x = 7,510,617,119.18
  5. Step 5: Solve for x
    x = 7,510,617,119.18/84,418.10
  6. Step 6: Final answer
    x = 88,969.28

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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.