Home / 92,883.38-128,218.31-62,709.58

Finding the Fourth Proportional to 92,883.38, 128,218.31 and 62,709.58

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Solution

The fourth proportional to 92,883.38, 128,218.31 and 62,709.58 is: 86,565.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,883.38 : 128,218.31 = 62,709.58 : x
  2. Step 2: Convert to fraction form
    92,883.38/128,218.31 = 62,709.58/x
  3. Step 3: Cross multiply
    92,883.38x = 128,218.31 × 62,709.58
  4. Step 4: Simplify right side
    92,883.38x = 8,040,516,368.41
  5. Step 5: Solve for x
    x = 8,040,516,368.41/92,883.38
  6. Step 6: Final answer
    x = 86,565.72

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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.