Home / 89,547.60-134,278.29-52,116.06

Finding the Fourth Proportional to 89,547.60, 134,278.29 and 52,116.06

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Solution

The fourth proportional to 89,547.60, 134,278.29 and 52,116.06 is: 78,149.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,547.60 : 134,278.29 = 52,116.06 : x
  2. Step 2: Convert to fraction form
    89,547.60/134,278.29 = 52,116.06/x
  3. Step 3: Cross multiply
    89,547.60x = 134,278.29 × 52,116.06
  4. Step 4: Simplify right side
    89,547.60x = 6,998,055,418.34
  5. Step 5: Solve for x
    x = 6,998,055,418.34/89,547.60
  6. Step 6: Final answer
    x = 78,149.00

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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.