Home / 75,856.93-104,657.59-49,015.25

Finding the Fourth Proportional to 75,856.93, 104,657.59 and 49,015.25

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Solution

The fourth proportional to 75,856.93, 104,657.59 and 49,015.25 is: 67,624.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,856.93 : 104,657.59 = 49,015.25 : x
  2. Step 2: Convert to fraction form
    75,856.93/104,657.59 = 49,015.25/x
  3. Step 3: Cross multiply
    75,856.93x = 104,657.59 × 49,015.25
  4. Step 4: Simplify right side
    75,856.93x = 5,129,817,938.25
  5. Step 5: Solve for x
    x = 5,129,817,938.25/75,856.93
  6. Step 6: Final answer
    x = 67,624.91

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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.