Home / 94,775.20-142,164.16-91,888.48

Finding the Fourth Proportional to 94,775.20, 142,164.16 and 91,888.48

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Solution

The fourth proportional to 94,775.20, 142,164.16 and 91,888.48 is: 137,834.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,775.20 : 142,164.16 = 91,888.48 : x
  2. Step 2: Convert to fraction form
    94,775.20/142,164.16 = 91,888.48/x
  3. Step 3: Cross multiply
    94,775.20x = 142,164.16 × 91,888.48
  4. Step 4: Simplify right side
    94,775.20x = 13,063,248,572.88
  5. Step 5: Solve for x
    x = 13,063,248,572.88/94,775.20
  6. Step 6: Final answer
    x = 137,834.04

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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.