Home / 71,277.66-98,359.83-42,976.86

Finding the Fourth Proportional to 71,277.66, 98,359.83 and 42,976.86

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Solution

The fourth proportional to 71,277.66, 98,359.83 and 42,976.86 is: 59,306.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,277.66 : 98,359.83 = 42,976.86 : x
  2. Step 2: Convert to fraction form
    71,277.66/98,359.83 = 42,976.86/x
  3. Step 3: Cross multiply
    71,277.66x = 98,359.83 × 42,976.86
  4. Step 4: Simplify right side
    71,277.66x = 4,227,196,643.53
  5. Step 5: Solve for x
    x = 4,227,196,643.53/71,277.66
  6. Step 6: Final answer
    x = 59,306.05

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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.