Home / 92,681.56-139,001.02-55,252.20

Finding the Fourth Proportional to 92,681.56, 139,001.02 and 55,252.20

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Solution

The fourth proportional to 92,681.56, 139,001.02 and 55,252.20 is: 82,865.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,681.56 : 139,001.02 = 55,252.20 : x
  2. Step 2: Convert to fraction form
    92,681.56/139,001.02 = 55,252.20/x
  3. Step 3: Cross multiply
    92,681.56x = 139,001.02 × 55,252.20
  4. Step 4: Simplify right side
    92,681.56x = 7,680,112,157.24
  5. Step 5: Solve for x
    x = 7,680,112,157.24/92,681.56
  6. Step 6: Final answer
    x = 82,865.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.