Home / 68,585.10-102,877.65-42,204.30

Finding the Fourth Proportional to 68,585.10, 102,877.65 and 42,204.30

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Solution

The fourth proportional to 68,585.10, 102,877.65 and 42,204.30 is: 63,306.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,585.10 : 102,877.65 = 42,204.30 : x
  2. Step 2: Convert to fraction form
    68,585.10/102,877.65 = 42,204.30/x
  3. Step 3: Cross multiply
    68,585.10x = 102,877.65 × 42,204.30
  4. Step 4: Simplify right side
    68,585.10x = 4,341,879,203.90
  5. Step 5: Solve for x
    x = 4,341,879,203.90/68,585.10
  6. Step 6: Final answer
    x = 63,306.45

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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.