Home / 86,371.31-119,196.11-48,130.91

Finding the Fourth Proportional to 86,371.31, 119,196.11 and 48,130.91

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Solution

The fourth proportional to 86,371.31, 119,196.11 and 48,130.91 is: 66,422.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,371.31 : 119,196.11 = 48,130.91 : x
  2. Step 2: Convert to fraction form
    86,371.31/119,196.11 = 48,130.91/x
  3. Step 3: Cross multiply
    86,371.31x = 119,196.11 × 48,130.91
  4. Step 4: Simplify right side
    86,371.31x = 5,737,017,661.08
  5. Step 5: Solve for x
    x = 5,737,017,661.08/86,371.31
  6. Step 6: Final answer
    x = 66,422.72

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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.