Home / 92,931.90-128,246.19-50,490.48

Finding the Fourth Proportional to 92,931.90, 128,246.19 and 50,490.48

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Solution

The fourth proportional to 92,931.90, 128,246.19 and 50,490.48 is: 69,676.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,931.90 : 128,246.19 = 50,490.48 : x
  2. Step 2: Convert to fraction form
    92,931.90/128,246.19 = 50,490.48/x
  3. Step 3: Cross multiply
    92,931.90x = 128,246.19 × 50,490.48
  4. Step 4: Simplify right side
    92,931.90x = 6,475,211,691.27
  5. Step 5: Solve for x
    x = 6,475,211,691.27/92,931.90
  6. Step 6: Final answer
    x = 69,676.95

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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.