Home / 91,179.02-125,848.05-53,465.42

Finding the Fourth Proportional to 91,179.02, 125,848.05 and 53,465.42

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Solution

The fourth proportional to 91,179.02, 125,848.05 and 53,465.42 is: 73,794.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,179.02 : 125,848.05 = 53,465.42 : x
  2. Step 2: Convert to fraction form
    91,179.02/125,848.05 = 53,465.42/x
  3. Step 3: Cross multiply
    91,179.02x = 125,848.05 × 53,465.42
  4. Step 4: Simplify right side
    91,179.02x = 6,728,518,963.56
  5. Step 5: Solve for x
    x = 6,728,518,963.56/91,179.02
  6. Step 6: Final answer
    x = 73,794.59

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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.