Home / 107,068.19-147,747.93-59,318.69

Finding the Fourth Proportional to 107,068.19, 147,747.93 and 59,318.69

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Solution

The fourth proportional to 107,068.19, 147,747.93 and 59,318.69 is: 81,856.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,068.19 : 147,747.93 = 59,318.69 : x
  2. Step 2: Convert to fraction form
    107,068.19/147,747.93 = 59,318.69/x
  3. Step 3: Cross multiply
    107,068.19x = 147,747.93 × 59,318.69
  4. Step 4: Simplify right side
    107,068.19x = 8,764,213,657.81
  5. Step 5: Solve for x
    x = 8,764,213,657.81/107,068.19
  6. Step 6: Final answer
    x = 81,856.37

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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.