Home / 88,385.19-121,970.30-48,641.19

Finding the Fourth Proportional to 88,385.19, 121,970.30 and 48,641.19

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Solution

The fourth proportional to 88,385.19, 121,970.30 and 48,641.19 is: 67,124.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,385.19 : 121,970.30 = 48,641.19 : x
  2. Step 2: Convert to fraction form
    88,385.19/121,970.30 = 48,641.19/x
  3. Step 3: Cross multiply
    88,385.19x = 121,970.30 × 48,641.19
  4. Step 4: Simplify right side
    88,385.19x = 5,932,780,293.45
  5. Step 5: Solve for x
    x = 5,932,780,293.45/88,385.19
  6. Step 6: Final answer
    x = 67,124.14

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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.