Home / 81,246.68-112,126.14-45,440.03

Finding the Fourth Proportional to 81,246.68, 112,126.14 and 45,440.03

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Solution

The fourth proportional to 81,246.68, 112,126.14 and 45,440.03 is: 62,710.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,246.68 : 112,126.14 = 45,440.03 : x
  2. Step 2: Convert to fraction form
    81,246.68/112,126.14 = 45,440.03/x
  3. Step 3: Cross multiply
    81,246.68x = 112,126.14 × 45,440.03
  4. Step 4: Simplify right side
    81,246.68x = 5,095,015,165.38
  5. Step 5: Solve for x
    x = 5,095,015,165.38/81,246.68
  6. Step 6: Final answer
    x = 62,710.44

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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.