Home / 106,955.28-147,613.86-61,624.50

Finding the Fourth Proportional to 106,955.28, 147,613.86 and 61,624.50

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Solution

The fourth proportional to 106,955.28, 147,613.86 and 61,624.50 is: 85,050.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,955.28 : 147,613.86 = 61,624.50 : x
  2. Step 2: Convert to fraction form
    106,955.28/147,613.86 = 61,624.50/x
  3. Step 3: Cross multiply
    106,955.28x = 147,613.86 × 61,624.50
  4. Step 4: Simplify right side
    106,955.28x = 9,096,630,315.57
  5. Step 5: Solve for x
    x = 9,096,630,315.57/106,955.28
  6. Step 6: Final answer
    x = 85,050.78

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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.