Home / 98,642.22-136,134.56-60,401.58

Finding the Fourth Proportional to 98,642.22, 136,134.56 and 60,401.58

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Solution

The fourth proportional to 98,642.22, 136,134.56 and 60,401.58 is: 83,359.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,642.22 : 136,134.56 = 60,401.58 : x
  2. Step 2: Convert to fraction form
    98,642.22/136,134.56 = 60,401.58/x
  3. Step 3: Cross multiply
    98,642.22x = 136,134.56 × 60,401.58
  4. Step 4: Simplify right side
    98,642.22x = 8,222,742,214.60
  5. Step 5: Solve for x
    x = 8,222,742,214.60/98,642.22
  6. Step 6: Final answer
    x = 83,359.26

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1.5x scale

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.