Home / 83,158.08-114,752.16-45,424.32

Finding the Fourth Proportional to 83,158.08, 114,752.16 and 45,424.32

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Solution

The fourth proportional to 83,158.08, 114,752.16 and 45,424.32 is: 62,682.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,158.08 : 114,752.16 = 45,424.32 : x
  2. Step 2: Convert to fraction form
    83,158.08/114,752.16 = 45,424.32/x
  3. Step 3: Cross multiply
    83,158.08x = 114,752.16 × 45,424.32
  4. Step 4: Simplify right side
    83,158.08x = 5,212,538,836.53
  5. Step 5: Solve for x
    x = 5,212,538,836.53/83,158.08
  6. Step 6: Final answer
    x = 62,682.29

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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.