Home / 101,627.04-152,366.72-42,479.60

Finding the Fourth Proportional to 101,627.04, 152,366.72 and 42,479.60

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Solution

The fourth proportional to 101,627.04, 152,366.72 and 42,479.60 is: 63,688.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,627.04 : 152,366.72 = 42,479.60 : x
  2. Step 2: Convert to fraction form
    101,627.04/152,366.72 = 42,479.60/x
  3. Step 3: Cross multiply
    101,627.04x = 152,366.72 × 42,479.60
  4. Step 4: Simplify right side
    101,627.04x = 6,472,477,318.91
  5. Step 5: Solve for x
    x = 6,472,477,318.91/101,627.04
  6. Step 6: Final answer
    x = 63,688.54

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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.