Home / 90,617.12-136,008.71-48,544.70

Finding the Fourth Proportional to 90,617.12, 136,008.71 and 48,544.70

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Solution

The fourth proportional to 90,617.12, 136,008.71 and 48,544.70 is: 72,861.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,617.12 : 136,008.71 = 48,544.70 : x
  2. Step 2: Convert to fraction form
    90,617.12/136,008.71 = 48,544.70/x
  3. Step 3: Cross multiply
    90,617.12x = 136,008.71 × 48,544.70
  4. Step 4: Simplify right side
    90,617.12x = 6,602,501,101.57
  5. Step 5: Solve for x
    x = 6,602,501,101.57/90,617.12
  6. Step 6: Final answer
    x = 72,861.52

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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.