Home / 86,347.71-119,158.02-48,107.21

Finding the Fourth Proportional to 86,347.71, 119,158.02 and 48,107.21

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Solution

The fourth proportional to 86,347.71, 119,158.02 and 48,107.21 is: 66,386.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,347.71 : 119,158.02 = 48,107.21 : x
  2. Step 2: Convert to fraction form
    86,347.71/119,158.02 = 48,107.21/x
  3. Step 3: Cross multiply
    86,347.71x = 119,158.02 × 48,107.21
  4. Step 4: Simplify right side
    86,347.71x = 5,732,359,295.53
  5. Step 5: Solve for x
    x = 5,732,359,295.53/86,347.71
  6. Step 6: Final answer
    x = 66,386.93

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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.