Home / 108,624.75-149,901.80-63,329.55

Finding the Fourth Proportional to 108,624.75, 149,901.80 and 63,329.55

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Solution

The fourth proportional to 108,624.75, 149,901.80 and 63,329.55 is: 87,394.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,624.75 : 149,901.80 = 63,329.55 : x
  2. Step 2: Convert to fraction form
    108,624.75/149,901.80 = 63,329.55/x
  3. Step 3: Cross multiply
    108,624.75x = 149,901.80 × 63,329.55
  4. Step 4: Simplify right side
    108,624.75x = 9,493,213,538.19
  5. Step 5: Solve for x
    x = 9,493,213,538.19/108,624.75
  6. Step 6: Final answer
    x = 87,394.57

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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.