Home / 92,785.64-128,044.20-50,344.18

Finding the Fourth Proportional to 92,785.64, 128,044.20 and 50,344.18

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Solution

The fourth proportional to 92,785.64, 128,044.20 and 50,344.18 is: 69,474.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,785.64 : 128,044.20 = 50,344.18 : x
  2. Step 2: Convert to fraction form
    92,785.64/128,044.20 = 50,344.18/x
  3. Step 3: Cross multiply
    92,785.64x = 128,044.20 × 50,344.18
  4. Step 4: Simplify right side
    92,785.64x = 6,446,280,252.76
  5. Step 5: Solve for x
    x = 6,446,280,252.76/92,785.64
  6. Step 6: Final answer
    x = 69,474.98

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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.