Home / 90,494.47-124,897.37-50,221.18

Finding the Fourth Proportional to 90,494.47, 124,897.37 and 50,221.18

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Solution

The fourth proportional to 90,494.47, 124,897.37 and 50,221.18 is: 69,313.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,494.47 : 124,897.37 = 50,221.18 : x
  2. Step 2: Convert to fraction form
    90,494.47/124,897.37 = 50,221.18/x
  3. Step 3: Cross multiply
    90,494.47x = 124,897.37 × 50,221.18
  4. Step 4: Simplify right side
    90,494.47x = 6,272,492,424.70
  5. Step 5: Solve for x
    x = 6,272,492,424.70/90,494.47
  6. Step 6: Final answer
    x = 69,313.54

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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.