Home / 63,159.90-87,160.78-34,865.62

Finding the Fourth Proportional to 63,159.90, 87,160.78 and 34,865.62

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Solution

The fourth proportional to 63,159.90, 87,160.78 and 34,865.62 is: 48,114.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,159.90 : 87,160.78 = 34,865.62 : x
  2. Step 2: Convert to fraction form
    63,159.90/87,160.78 = 34,865.62/x
  3. Step 3: Cross multiply
    63,159.90x = 87,160.78 × 34,865.62
  4. Step 4: Simplify right side
    63,159.90x = 3,038,914,634.38
  5. Step 5: Solve for x
    x = 3,038,914,634.38/63,159.90
  6. Step 6: Final answer
    x = 48,114.62

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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.