Home / 91,275.95-125,956.32-50,981.69

Finding the Fourth Proportional to 91,275.95, 125,956.32 and 50,981.69

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Solution

The fourth proportional to 91,275.95, 125,956.32 and 50,981.69 is: 70,352.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,275.95 : 125,956.32 = 50,981.69 : x
  2. Step 2: Convert to fraction form
    91,275.95/125,956.32 = 50,981.69/x
  3. Step 3: Cross multiply
    91,275.95x = 125,956.32 × 50,981.69
  4. Step 4: Simplify right side
    91,275.95x = 6,421,466,183.49
  5. Step 5: Solve for x
    x = 6,421,466,183.49/91,275.95
  6. Step 6: Final answer
    x = 70,352.22

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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.