Home / 68,423.20-102,740.40-37,319.20

Finding the Fourth Proportional to 68,423.20, 102,740.40 and 37,319.20

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Solution

The fourth proportional to 68,423.20, 102,740.40 and 37,319.20 is: 56,036.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,423.20 : 102,740.40 = 37,319.20 : x
  2. Step 2: Convert to fraction form
    68,423.20/102,740.40 = 37,319.20/x
  3. Step 3: Cross multiply
    68,423.20x = 102,740.40 × 37,319.20
  4. Step 4: Simplify right side
    68,423.20x = 3,834,189,535.68
  5. Step 5: Solve for x
    x = 3,834,189,535.68/68,423.20
  6. Step 6: Final answer
    x = 56,036.40

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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.