Home / 71,087.19-98,100.36-38,822.25

Finding the Fourth Proportional to 71,087.19, 98,100.36 and 38,822.25

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Solution

The fourth proportional to 71,087.19, 98,100.36 and 38,822.25 is: 53,574.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,087.19 : 98,100.36 = 38,822.25 : x
  2. Step 2: Convert to fraction form
    71,087.19/98,100.36 = 38,822.25/x
  3. Step 3: Cross multiply
    71,087.19x = 98,100.36 × 38,822.25
  4. Step 4: Simplify right side
    71,087.19x = 3,808,476,701.01
  5. Step 5: Solve for x
    x = 3,808,476,701.01/71,087.19
  6. Step 6: Final answer
    x = 53,574.73

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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.