Home / 81,484.38-112,449.47-49,656.24

Finding the Fourth Proportional to 81,484.38, 112,449.47 and 49,656.24

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Solution

The fourth proportional to 81,484.38, 112,449.47 and 49,656.24 is: 68,526.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,484.38 : 112,449.47 = 49,656.24 : x
  2. Step 2: Convert to fraction form
    81,484.38/112,449.47 = 49,656.24/x
  3. Step 3: Cross multiply
    81,484.38x = 112,449.47 × 49,656.24
  4. Step 4: Simplify right side
    81,484.38x = 5,583,817,621.91
  5. Step 5: Solve for x
    x = 5,583,817,621.91/81,484.38
  6. Step 6: Final answer
    x = 68,526.23

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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.