Home / 77,002.27-106,264.88-45,194.11

Finding the Fourth Proportional to 77,002.27, 106,264.88 and 45,194.11

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Solution

The fourth proportional to 77,002.27, 106,264.88 and 45,194.11 is: 62,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,002.27 : 106,264.88 = 45,194.11 : x
  2. Step 2: Convert to fraction form
    77,002.27/106,264.88 = 45,194.11/x
  3. Step 3: Cross multiply
    77,002.27x = 106,264.88 × 45,194.11
  4. Step 4: Simplify right side
    77,002.27x = 4,802,546,675.86
  5. Step 5: Solve for x
    x = 4,802,546,675.86/77,002.27
  6. Step 6: Final answer
    x = 62,368.90

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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.