Home / 88,168.77-121,671.86-47,883.15

Finding the Fourth Proportional to 88,168.77, 121,671.86 and 47,883.15

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Solution

The fourth proportional to 88,168.77, 121,671.86 and 47,883.15 is: 66,078.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,168.77 : 121,671.86 = 47,883.15 : x
  2. Step 2: Convert to fraction form
    88,168.77/121,671.86 = 47,883.15/x
  3. Step 3: Cross multiply
    88,168.77x = 121,671.86 × 47,883.15
  4. Step 4: Simplify right side
    88,168.77x = 5,826,031,683.74
  5. Step 5: Solve for x
    x = 5,826,031,683.74/88,168.77
  6. Step 6: Final answer
    x = 66,078.18

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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.