Home / 85,811.52-118,411.20-48,089.28

Finding the Fourth Proportional to 85,811.52, 118,411.20 and 48,089.28

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Solution

The fourth proportional to 85,811.52, 118,411.20 and 48,089.28 is: 66,358.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,811.52 : 118,411.20 = 48,089.28 : x
  2. Step 2: Convert to fraction form
    85,811.52/118,411.20 = 48,089.28/x
  3. Step 3: Cross multiply
    85,811.52x = 118,411.20 × 48,089.28
  4. Step 4: Simplify right side
    85,811.52x = 5,694,309,351.94
  5. Step 5: Solve for x
    x = 5,694,309,351.94/85,811.52
  6. Step 6: Final answer
    x = 66,358.33

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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.