Home / 75,201.89-103,778.63-44,988.47

Finding the Fourth Proportional to 75,201.89, 103,778.63 and 44,988.47

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Solution

The fourth proportional to 75,201.89, 103,778.63 and 44,988.47 is: 62,084.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,201.89 : 103,778.63 = 44,988.47 : x
  2. Step 2: Convert to fraction form
    75,201.89/103,778.63 = 44,988.47/x
  3. Step 3: Cross multiply
    75,201.89x = 103,778.63 × 44,988.47
  4. Step 4: Simplify right side
    75,201.89x = 4,668,841,782.40
  5. Step 5: Solve for x
    x = 4,668,841,782.40/75,201.89
  6. Step 6: Final answer
    x = 62,084.10

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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.