Home / 86,041.12-118,737.48-48,318.88

Finding the Fourth Proportional to 86,041.12, 118,737.48 and 48,318.88

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Solution

The fourth proportional to 86,041.12, 118,737.48 and 48,318.88 is: 66,680.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,041.12 : 118,737.48 = 48,318.88 : x
  2. Step 2: Convert to fraction form
    86,041.12/118,737.48 = 48,318.88/x
  3. Step 3: Cross multiply
    86,041.12x = 118,737.48 × 48,318.88
  4. Step 4: Simplify right side
    86,041.12x = 5,737,262,047.62
  5. Step 5: Solve for x
    x = 5,737,262,047.62/86,041.12
  6. Step 6: Final answer
    x = 66,680.47

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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.