Home / 98,359.22-135,731.70-58,085.93

Finding the Fourth Proportional to 98,359.22, 135,731.70 and 58,085.93

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Solution

The fourth proportional to 98,359.22, 135,731.70 and 58,085.93 is: 80,156.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,359.22 : 135,731.70 = 58,085.93 : x
  2. Step 2: Convert to fraction form
    98,359.22/135,731.70 = 58,085.93/x
  3. Step 3: Cross multiply
    98,359.22x = 135,731.70 × 58,085.93
  4. Step 4: Simplify right side
    98,359.22x = 7,884,101,346.32
  5. Step 5: Solve for x
    x = 7,884,101,346.32/98,359.22
  6. Step 6: Final answer
    x = 80,156.20

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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.