Home / 92,551.29-127,720.23-52,278.09

Finding the Fourth Proportional to 92,551.29, 127,720.23 and 52,278.09

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Solution

The fourth proportional to 92,551.29, 127,720.23 and 52,278.09 is: 72,143.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,551.29 : 127,720.23 = 52,278.09 : x
  2. Step 2: Convert to fraction form
    92,551.29/127,720.23 = 52,278.09/x
  3. Step 3: Cross multiply
    92,551.29x = 127,720.23 × 52,278.09
  4. Step 4: Simplify right side
    92,551.29x = 6,676,969,678.76
  5. Step 5: Solve for x
    x = 6,676,969,678.76/92,551.29
  6. Step 6: Final answer
    x = 72,143.45

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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.