Home / 90,507.14-124,897.94-50,220.02

Finding the Fourth Proportional to 90,507.14, 124,897.94 and 50,220.02

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Solution

The fourth proportional to 90,507.14, 124,897.94 and 50,220.02 is: 69,302.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,507.14 : 124,897.94 = 50,220.02 : x
  2. Step 2: Convert to fraction form
    90,507.14/124,897.94 = 50,220.02/x
  3. Step 3: Cross multiply
    90,507.14x = 124,897.94 × 50,220.02
  4. Step 4: Simplify right side
    90,507.14x = 6,272,377,044.76
  5. Step 5: Solve for x
    x = 6,272,377,044.76/90,507.14
  6. Step 6: Final answer
    x = 69,302.57

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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.