Home / 94,720.32-142,034.40-55,290.24

Finding the Fourth Proportional to 94,720.32, 142,034.40 and 55,290.24

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Solution

The fourth proportional to 94,720.32, 142,034.40 and 55,290.24 is: 82,908.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,720.32 : 142,034.40 = 55,290.24 : x
  2. Step 2: Convert to fraction form
    94,720.32/142,034.40 = 55,290.24/x
  3. Step 3: Cross multiply
    94,720.32x = 142,034.40 × 55,290.24
  4. Step 4: Simplify right side
    94,720.32x = 7,853,116,064.26
  5. Step 5: Solve for x
    x = 7,853,116,064.26/94,720.32
  6. Step 6: Final answer
    x = 82,908.46

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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.