Home / 90,068.27-124,261.33-69,378.03

Finding the Fourth Proportional to 90,068.27, 124,261.33 and 69,378.03

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Solution

The fourth proportional to 90,068.27, 124,261.33 and 69,378.03 is: 95,716.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,068.27 : 124,261.33 = 69,378.03 : x
  2. Step 2: Convert to fraction form
    90,068.27/124,261.33 = 69,378.03/x
  3. Step 3: Cross multiply
    90,068.27x = 124,261.33 × 69,378.03
  4. Step 4: Simplify right side
    90,068.27x = 8,621,006,280.58
  5. Step 5: Solve for x
    x = 8,621,006,280.58/90,068.27
  6. Step 6: Final answer
    x = 95,716.35

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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.