Home / 83,800.16-115,646.51-45,562.28

Finding the Fourth Proportional to 83,800.16, 115,646.51 and 45,562.28

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Solution

The fourth proportional to 83,800.16, 115,646.51 and 45,562.28 is: 62,877.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,800.16 : 115,646.51 = 45,562.28 : x
  2. Step 2: Convert to fraction form
    83,800.16/115,646.51 = 45,562.28/x
  3. Step 3: Cross multiply
    83,800.16x = 115,646.51 × 45,562.28
  4. Step 4: Simplify right side
    83,800.16x = 5,269,118,730.95
  5. Step 5: Solve for x
    x = 5,269,118,730.95/83,800.16
  6. Step 6: Final answer
    x = 62,877.19

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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.