Home / 92,701.28-127,920.12-52,419.18

Finding the Fourth Proportional to 92,701.28, 127,920.12 and 52,419.18

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Solution

The fourth proportional to 92,701.28, 127,920.12 and 52,419.18 is: 72,334.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,701.28 : 127,920.12 = 52,419.18 : x
  2. Step 2: Convert to fraction form
    92,701.28/127,920.12 = 52,419.18/x
  3. Step 3: Cross multiply
    92,701.28x = 127,920.12 × 52,419.18
  4. Step 4: Simplify right side
    92,701.28x = 6,705,467,795.90
  5. Step 5: Solve for x
    x = 6,705,467,795.90/92,701.28
  6. Step 6: Final answer
    x = 72,334.14

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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.