Home / 91,118.96-125,747.28-52,875.56

Finding the Fourth Proportional to 91,118.96, 125,747.28 and 52,875.56

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Solution

The fourth proportional to 91,118.96, 125,747.28 and 52,875.56 is: 72,970.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,118.96 : 125,747.28 = 52,875.56 : x
  2. Step 2: Convert to fraction form
    91,118.96/125,747.28 = 52,875.56/x
  3. Step 3: Cross multiply
    91,118.96x = 125,747.28 × 52,875.56
  4. Step 4: Simplify right side
    91,118.96x = 6,648,957,848.48
  5. Step 5: Solve for x
    x = 6,648,957,848.48/91,118.96
  6. Step 6: Final answer
    x = 72,970.08

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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.