Home / 98,549.25-135,990.05-55,526.91

Finding the Fourth Proportional to 98,549.25, 135,990.05 and 55,526.91

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Solution

The fourth proportional to 98,549.25, 135,990.05 and 55,526.91 is: 76,622.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,549.25 : 135,990.05 = 55,526.91 : x
  2. Step 2: Convert to fraction form
    98,549.25/135,990.05 = 55,526.91/x
  3. Step 3: Cross multiply
    98,549.25x = 135,990.05 × 55,526.91
  4. Step 4: Simplify right side
    98,549.25x = 7,551,107,267.25
  5. Step 5: Solve for x
    x = 7,551,107,267.25/98,549.25
  6. Step 6: Final answer
    x = 76,622.68

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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.