Home / 86,395.28-119,235.14-48,158.31

Finding the Fourth Proportional to 86,395.28, 119,235.14 and 48,158.31

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Solution

The fourth proportional to 86,395.28, 119,235.14 and 48,158.31 is: 66,463.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,395.28 : 119,235.14 = 48,158.31 : x
  2. Step 2: Convert to fraction form
    86,395.28/119,235.14 = 48,158.31/x
  3. Step 3: Cross multiply
    86,395.28x = 119,235.14 × 48,158.31
  4. Step 4: Simplify right side
    86,395.28x = 5,742,163,221.95
  5. Step 5: Solve for x
    x = 5,742,163,221.95/86,395.28
  6. Step 6: Final answer
    x = 66,463.86

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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.