Home / 83,134.08-114,719.04-45,400.32

Finding the Fourth Proportional to 83,134.08, 114,719.04 and 45,400.32

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Solution

The fourth proportional to 83,134.08, 114,719.04 and 45,400.32 is: 62,649.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,134.08 : 114,719.04 = 45,400.32 : x
  2. Step 2: Convert to fraction form
    83,134.08/114,719.04 = 45,400.32/x
  3. Step 3: Cross multiply
    83,134.08x = 114,719.04 × 45,400.32
  4. Step 4: Simplify right side
    83,134.08x = 5,208,281,126.09
  5. Step 5: Solve for x
    x = 5,208,281,126.09/83,134.08
  6. Step 6: Final answer
    x = 62,649.17

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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.