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Finding the Fourth Proportional to 90,277.91, 124,572.91 and 52,037.01

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Solution

The fourth proportional to 90,277.91, 124,572.91 and 52,037.01 is: 71,804.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,277.91 : 124,572.91 = 52,037.01 : x
  2. Step 2: Convert to fraction form
    90,277.91/124,572.91 = 52,037.01/x
  3. Step 3: Cross multiply
    90,277.91x = 124,572.91 × 52,037.01
  4. Step 4: Simplify right side
    90,277.91x = 6,482,401,503.21
  5. Step 5: Solve for x
    x = 6,482,401,503.21/90,277.91
  6. Step 6: Final answer
    x = 71,804.96

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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.