Home / 71,071.17-98,075.25-38,803.20

Finding the Fourth Proportional to 71,071.17, 98,075.25 and 38,803.20

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Solution

The fourth proportional to 71,071.17, 98,075.25 and 38,803.20 is: 53,546.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,071.17 : 98,075.25 = 38,803.20 : x
  2. Step 2: Convert to fraction form
    71,071.17/98,075.25 = 38,803.20/x
  3. Step 3: Cross multiply
    71,071.17x = 98,075.25 × 38,803.20
  4. Step 4: Simplify right side
    71,071.17x = 3,805,633,540.80
  5. Step 5: Solve for x
    x = 3,805,633,540.80/71,071.17
  6. Step 6: Final answer
    x = 53,546.80

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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.