Home / 98,851.12-136,414.60-53,529.12

Finding the Fourth Proportional to 98,851.12, 136,414.60 and 53,529.12

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Solution

The fourth proportional to 98,851.12, 136,414.60 and 53,529.12 is: 73,870.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,851.12 : 136,414.60 = 53,529.12 : x
  2. Step 2: Convert to fraction form
    98,851.12/136,414.60 = 53,529.12/x
  3. Step 3: Cross multiply
    98,851.12x = 136,414.60 × 53,529.12
  4. Step 4: Simplify right side
    98,851.12x = 7,302,153,493.15
  5. Step 5: Solve for x
    x = 7,302,153,493.15/98,851.12
  6. Step 6: Final answer
    x = 73,870.22

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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.