Home / 52,790.14-79,264.28-45,696.40

Finding the Fourth Proportional to 52,790.14, 79,264.28 and 45,696.40

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Solution

The fourth proportional to 52,790.14, 79,264.28 and 45,696.40 is: 68,613.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,790.14 : 79,264.28 = 45,696.40 : x
  2. Step 2: Convert to fraction form
    52,790.14/79,264.28 = 45,696.40/x
  3. Step 3: Cross multiply
    52,790.14x = 79,264.28 × 45,696.40
  4. Step 4: Simplify right side
    52,790.14x = 3,622,092,244.59
  5. Step 5: Solve for x
    x = 3,622,092,244.59/52,790.14
  6. Step 6: Final answer
    x = 68,613.04

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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.