Home / 113,732.60-170,642.88-47,155.64

Finding the Fourth Proportional to 113,732.60, 170,642.88 and 47,155.64

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Solution

The fourth proportional to 113,732.60, 170,642.88 and 47,155.64 is: 70,751.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,732.60 : 170,642.88 = 47,155.64 : x
  2. Step 2: Convert to fraction form
    113,732.60/170,642.88 = 47,155.64/x
  3. Step 3: Cross multiply
    113,732.60x = 170,642.88 × 47,155.64
  4. Step 4: Simplify right side
    113,732.60x = 8,046,774,217.84
  5. Step 5: Solve for x
    x = 8,046,774,217.84/113,732.60
  6. Step 6: Final answer
    x = 70,751.69

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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.