Home / 69,088.10-103,632.15-52,499.30

Finding the Fourth Proportional to 69,088.10, 103,632.15 and 52,499.30

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Solution

The fourth proportional to 69,088.10, 103,632.15 and 52,499.30 is: 78,748.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,088.10 : 103,632.15 = 52,499.30 : x
  2. Step 2: Convert to fraction form
    69,088.10/103,632.15 = 52,499.30/x
  3. Step 3: Cross multiply
    69,088.10x = 103,632.15 × 52,499.30
  4. Step 4: Simplify right side
    69,088.10x = 5,440,615,332.50
  5. Step 5: Solve for x
    x = 5,440,615,332.50/69,088.10
  6. Step 6: Final answer
    x = 78,748.95

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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.