Home / 98,641.72-136,133.87-60,401.08

Finding the Fourth Proportional to 98,641.72, 136,133.87 and 60,401.08

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Solution

The fourth proportional to 98,641.72, 136,133.87 and 60,401.08 is: 83,358.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,641.72 : 136,133.87 = 60,401.08 : x
  2. Step 2: Convert to fraction form
    98,641.72/136,133.87 = 60,401.08/x
  3. Step 3: Cross multiply
    98,641.72x = 136,133.87 × 60,401.08
  4. Step 4: Simplify right side
    98,641.72x = 8,222,632,130.24
  5. Step 5: Solve for x
    x = 8,222,632,130.24/98,641.72
  6. Step 6: Final answer
    x = 83,358.57

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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.