Home / 109,042.20-163,541.70-52,882.20

Finding the Fourth Proportional to 109,042.20, 163,541.70 and 52,882.20

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Solution

The fourth proportional to 109,042.20, 163,541.70 and 52,882.20 is: 79,312.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,042.20 : 163,541.70 = 52,882.20 : x
  2. Step 2: Convert to fraction form
    109,042.20/163,541.70 = 52,882.20/x
  3. Step 3: Cross multiply
    109,042.20x = 163,541.70 × 52,882.20
  4. Step 4: Simplify right side
    109,042.20x = 8,648,444,887.74
  5. Step 5: Solve for x
    x = 8,648,444,887.74/109,042.20
  6. Step 6: Final answer
    x = 79,312.82

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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.