Home / 92,815.38-128,085.16-50,373.95

Finding the Fourth Proportional to 92,815.38, 128,085.16 and 50,373.95

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Solution

The fourth proportional to 92,815.38, 128,085.16 and 50,373.95 is: 69,516.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,815.38 : 128,085.16 = 50,373.95 : x
  2. Step 2: Convert to fraction form
    92,815.38/128,085.16 = 50,373.95/x
  3. Step 3: Cross multiply
    92,815.38x = 128,085.16 × 50,373.95
  4. Step 4: Simplify right side
    92,815.38x = 6,452,154,553.29
  5. Step 5: Solve for x
    x = 6,452,154,553.29/92,815.38
  6. Step 6: Final answer
    x = 69,516.01

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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.