Home / 94,720.72-142,070.16-79,025.68

Finding the Fourth Proportional to 94,720.72, 142,070.16 and 79,025.68

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Solution

The fourth proportional to 94,720.72, 142,070.16 and 79,025.68 is: 118,529.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,720.72 : 142,070.16 = 79,025.68 : x
  2. Step 2: Convert to fraction form
    94,720.72/142,070.16 = 79,025.68/x
  3. Step 3: Cross multiply
    94,720.72x = 142,070.16 × 79,025.68
  4. Step 4: Simplify right side
    94,720.72x = 11,227,191,001.71
  5. Step 5: Solve for x
    x = 11,227,191,001.71/94,720.72
  6. Step 6: Final answer
    x = 118,529.41

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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.