Home / 91,275.02-125,959.21-50,438.01

Finding the Fourth Proportional to 91,275.02, 125,959.21 and 50,438.01

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Solution

The fourth proportional to 91,275.02, 125,959.21 and 50,438.01 is: 69,604.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,275.02 : 125,959.21 = 50,438.01 : x
  2. Step 2: Convert to fraction form
    91,275.02/125,959.21 = 50,438.01/x
  3. Step 3: Cross multiply
    91,275.02x = 125,959.21 × 50,438.01
  4. Step 4: Simplify right side
    91,275.02x = 6,353,132,239.82
  5. Step 5: Solve for x
    x = 6,353,132,239.82/91,275.02
  6. Step 6: Final answer
    x = 69,604.28

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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.