Home / 89,254.82-123,175.14-48,970.28

Finding the Fourth Proportional to 89,254.82, 123,175.14 and 48,970.28

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Solution

The fourth proportional to 89,254.82, 123,175.14 and 48,970.28 is: 67,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,254.82 : 123,175.14 = 48,970.28 : x
  2. Step 2: Convert to fraction form
    89,254.82/123,175.14 = 48,970.28/x
  3. Step 3: Cross multiply
    89,254.82x = 123,175.14 × 48,970.28
  4. Step 4: Simplify right side
    89,254.82x = 6,031,921,094.84
  5. Step 5: Solve for x
    x = 6,031,921,094.84/89,254.82
  6. Step 6: Final answer
    x = 67,580.90

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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.