Home / 69,087.10-103,630.65-52,498.30

Finding the Fourth Proportional to 69,087.10, 103,630.65 and 52,498.30

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Solution

The fourth proportional to 69,087.10, 103,630.65 and 52,498.30 is: 78,747.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,087.10 : 103,630.65 = 52,498.30 : x
  2. Step 2: Convert to fraction form
    69,087.10/103,630.65 = 52,498.30/x
  3. Step 3: Cross multiply
    69,087.10x = 103,630.65 × 52,498.30
  4. Step 4: Simplify right side
    69,087.10x = 5,440,432,952.90
  5. Step 5: Solve for x
    x = 5,440,432,952.90/69,087.10
  6. Step 6: Final answer
    x = 78,747.45

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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.