Home / 81,294.04-112,175.04-45,480.16

Finding the Fourth Proportional to 81,294.04, 112,175.04 and 45,480.16

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Solution

The fourth proportional to 81,294.04, 112,175.04 and 45,480.16 is: 62,756.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,294.04 : 112,175.04 = 45,480.16 : x
  2. Step 2: Convert to fraction form
    81,294.04/112,175.04 = 45,480.16/x
  3. Step 3: Cross multiply
    81,294.04x = 112,175.04 × 45,480.16
  4. Step 4: Simplify right side
    81,294.04x = 5,101,738,767.21
  5. Step 5: Solve for x
    x = 5,101,738,767.21/81,294.04
  6. Step 6: Final answer
    x = 62,756.61

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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.