Home / 98,442.36-136,028.16-70,098.84

Finding the Fourth Proportional to 98,442.36, 136,028.16 and 70,098.84

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Solution

The fourth proportional to 98,442.36, 136,028.16 and 70,098.84 is: 96,862.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,442.36 : 136,028.16 = 70,098.84 : x
  2. Step 2: Convert to fraction form
    98,442.36/136,028.16 = 70,098.84/x
  3. Step 3: Cross multiply
    98,442.36x = 136,028.16 × 70,098.84
  4. Step 4: Simplify right side
    98,442.36x = 9,535,416,223.33
  5. Step 5: Solve for x
    x = 9,535,416,223.33/98,442.36
  6. Step 6: Final answer
    x = 96,862.94

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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.