Home / 69,086.40-95,331.84-42,235.20

Finding the Fourth Proportional to 69,086.40, 95,331.84 and 42,235.20

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Solution

The fourth proportional to 69,086.40, 95,331.84 and 42,235.20 is: 58,280.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,086.40 : 95,331.84 = 42,235.20 : x
  2. Step 2: Convert to fraction form
    69,086.40/95,331.84 = 42,235.20/x
  3. Step 3: Cross multiply
    69,086.40x = 95,331.84 × 42,235.20
  4. Step 4: Simplify right side
    69,086.40x = 4,026,359,328.77
  5. Step 5: Solve for x
    x = 4,026,359,328.77/69,086.40
  6. Step 6: Final answer
    x = 58,280.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.