Home / 83,155.17-124,730.98-26,995.20

Finding the Fourth Proportional to 83,155.17, 124,730.98 and 26,995.20

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Solution

The fourth proportional to 83,155.17, 124,730.98 and 26,995.20 is: 40,492.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,155.17 : 124,730.98 = 26,995.20 : x
  2. Step 2: Convert to fraction form
    83,155.17/124,730.98 = 26,995.20/x
  3. Step 3: Cross multiply
    83,155.17x = 124,730.98 × 26,995.20
  4. Step 4: Simplify right side
    83,155.17x = 3,367,137,317.30
  5. Step 5: Solve for x
    x = 3,367,137,317.30/83,155.17
  6. Step 6: Final answer
    x = 40,492.22

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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.