Home / 72,037.19-99,292.34-48,155.15

Finding the Fourth Proportional to 72,037.19, 99,292.34 and 48,155.15

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Solution

The fourth proportional to 72,037.19, 99,292.34 and 48,155.15 is: 66,374.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,037.19 : 99,292.34 = 48,155.15 : x
  2. Step 2: Convert to fraction form
    72,037.19/99,292.34 = 48,155.15/x
  3. Step 3: Cross multiply
    72,037.19x = 99,292.34 × 48,155.15
  4. Step 4: Simplify right side
    72,037.19x = 4,781,436,789.31
  5. Step 5: Solve for x
    x = 4,781,436,789.31/72,037.19
  6. Step 6: Final answer
    x = 66,374.56

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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.