Home / 81,126.35-121,701.04-24,971.13

Finding the Fourth Proportional to 81,126.35, 121,701.04 and 24,971.13

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Solution

The fourth proportional to 81,126.35, 121,701.04 and 24,971.13 is: 37,460.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,126.35 : 121,701.04 = 24,971.13 : x
  2. Step 2: Convert to fraction form
    81,126.35/121,701.04 = 24,971.13/x
  3. Step 3: Cross multiply
    81,126.35x = 121,701.04 × 24,971.13
  4. Step 4: Simplify right side
    81,126.35x = 3,039,012,490.98
  5. Step 5: Solve for x
    x = 3,039,012,490.98/81,126.35
  6. Step 6: Final answer
    x = 37,460.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.