Home / 83,411.12-115,106.46-45,170.04

Finding the Fourth Proportional to 83,411.12, 115,106.46 and 45,170.04

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Solution

The fourth proportional to 83,411.12, 115,106.46 and 45,170.04 is: 62,334.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,411.12 : 115,106.46 = 45,170.04 : x
  2. Step 2: Convert to fraction form
    83,411.12/115,106.46 = 45,170.04/x
  3. Step 3: Cross multiply
    83,411.12x = 115,106.46 × 45,170.04
  4. Step 4: Simplify right side
    83,411.12x = 5,199,363,402.46
  5. Step 5: Solve for x
    x = 5,199,363,402.46/83,411.12
  6. Step 6: Final answer
    x = 62,334.18

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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.