Home / 92,815.36-128,085.29-50,373.91

Finding the Fourth Proportional to 92,815.36, 128,085.29 and 50,373.91

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Solution

The fourth proportional to 92,815.36, 128,085.29 and 50,373.91 is: 69,516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,815.36 : 128,085.29 = 50,373.91 : x
  2. Step 2: Convert to fraction form
    92,815.36/128,085.29 = 50,373.91/x
  3. Step 3: Cross multiply
    92,815.36x = 128,085.29 × 50,373.91
  4. Step 4: Simplify right side
    92,815.36x = 6,452,156,870.78
  5. Step 5: Solve for x
    x = 6,452,156,870.78/92,815.36
  6. Step 6: Final answer
    x = 69,516.05

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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.