Home / 75,192.02-103,528.22-63,839.06

Finding the Fourth Proportional to 75,192.02, 103,528.22 and 63,839.06

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Solution

The fourth proportional to 75,192.02, 103,528.22 and 63,839.06 is: 87,896.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,192.02 : 103,528.22 = 63,839.06 : x
  2. Step 2: Convert to fraction form
    75,192.02/103,528.22 = 63,839.06/x
  3. Step 3: Cross multiply
    75,192.02x = 103,528.22 × 63,839.06
  4. Step 4: Simplify right side
    75,192.02x = 6,609,144,248.27
  5. Step 5: Solve for x
    x = 6,609,144,248.27/75,192.02
  6. Step 6: Final answer
    x = 87,896.88

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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.