Home / 81,818.18-112,909.76-46,007.88

Finding the Fourth Proportional to 81,818.18, 112,909.76 and 46,007.88

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Solution

The fourth proportional to 81,818.18, 112,909.76 and 46,007.88 is: 63,491.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,818.18 : 112,909.76 = 46,007.88 : x
  2. Step 2: Convert to fraction form
    81,818.18/112,909.76 = 46,007.88/x
  3. Step 3: Cross multiply
    81,818.18x = 112,909.76 × 46,007.88
  4. Step 4: Simplify right side
    81,818.18x = 5,194,738,688.91
  5. Step 5: Solve for x
    x = 5,194,738,688.91/81,818.18
  6. Step 6: Final answer
    x = 63,491.25

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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.