Home / 77,447.76-116,178.57-30,061.74

Finding the Fourth Proportional to 77,447.76, 116,178.57 and 30,061.74

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Solution

The fourth proportional to 77,447.76, 116,178.57 and 30,061.74 is: 45,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,447.76 : 116,178.57 = 30,061.74 : x
  2. Step 2: Convert to fraction form
    77,447.76/116,178.57 = 30,061.74/x
  3. Step 3: Cross multiply
    77,447.76x = 116,178.57 × 30,061.74
  4. Step 4: Simplify right side
    77,447.76x = 3,492,529,964.91
  5. Step 5: Solve for x
    x = 3,492,529,964.91/77,447.76
  6. Step 6: Final answer
    x = 45,095.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.