Home / 91,254.15-125,929.40-50,968.49

Finding the Fourth Proportional to 91,254.15, 125,929.40 and 50,968.49

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Solution

The fourth proportional to 91,254.15, 125,929.40 and 50,968.49 is: 70,335.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,254.15 : 125,929.40 = 50,968.49 : x
  2. Step 2: Convert to fraction form
    91,254.15/125,929.40 = 50,968.49/x
  3. Step 3: Cross multiply
    91,254.15x = 125,929.40 × 50,968.49
  4. Step 4: Simplify right side
    91,254.15x = 6,418,430,480.12
  5. Step 5: Solve for x
    x = 6,418,430,480.12/91,254.15
  6. Step 6: Final answer
    x = 70,335.77

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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.