Home / 91,275.89-125,956.23-50,981.63

Finding the Fourth Proportional to 91,275.89, 125,956.23 and 50,981.63

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Solution

The fourth proportional to 91,275.89, 125,956.23 and 50,981.63 is: 70,352.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,275.89 : 125,956.23 = 50,981.63 : x
  2. Step 2: Convert to fraction form
    91,275.89/125,956.23 = 50,981.63/x
  3. Step 3: Cross multiply
    91,275.89x = 125,956.23 × 50,981.63
  4. Step 4: Simplify right side
    91,275.89x = 6,421,453,914.05
  5. Step 5: Solve for x
    x = 6,421,453,914.05/91,275.89
  6. Step 6: Final answer
    x = 70,352.14

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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.