Home / 90,031.37-124,250.22-49,748.58

Finding the Fourth Proportional to 90,031.37, 124,250.22 and 49,748.58

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Solution

The fourth proportional to 90,031.37, 124,250.22 and 49,748.58 is: 68,656.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,031.37 : 124,250.22 = 49,748.58 : x
  2. Step 2: Convert to fraction form
    90,031.37/124,250.22 = 49,748.58/x
  3. Step 3: Cross multiply
    90,031.37x = 124,250.22 × 49,748.58
  4. Step 4: Simplify right side
    90,031.37x = 6,181,272,009.69
  5. Step 5: Solve for x
    x = 6,181,272,009.69/90,031.37
  6. Step 6: Final answer
    x = 68,656.87

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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.