Home / 106,318.40-159,477.60-59,565.20

Finding the Fourth Proportional to 106,318.40, 159,477.60 and 59,565.20

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Solution

The fourth proportional to 106,318.40, 159,477.60 and 59,565.20 is: 89,347.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,318.40 : 159,477.60 = 59,565.20 : x
  2. Step 2: Convert to fraction form
    106,318.40/159,477.60 = 59,565.20/x
  3. Step 3: Cross multiply
    106,318.40x = 159,477.60 × 59,565.20
  4. Step 4: Simplify right side
    106,318.40x = 9,499,315,139.52
  5. Step 5: Solve for x
    x = 9,499,315,139.52/106,318.40
  6. Step 6: Final answer
    x = 89,347.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.