Home / 80,689.17-111,342.51-44,873.40

Finding the Fourth Proportional to 80,689.17, 111,342.51 and 44,873.40

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Solution

The fourth proportional to 80,689.17, 111,342.51 and 44,873.40 is: 61,920.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,689.17 : 111,342.51 = 44,873.40 : x
  2. Step 2: Convert to fraction form
    80,689.17/111,342.51 = 44,873.40/x
  3. Step 3: Cross multiply
    80,689.17x = 111,342.51 × 44,873.40
  4. Step 4: Simplify right side
    80,689.17x = 4,996,316,988.23
  5. Step 5: Solve for x
    x = 4,996,316,988.23/80,689.17
  6. Step 6: Final answer
    x = 61,920.54

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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.