Home / 89,478.66-134,211.02-52,014.84

Finding the Fourth Proportional to 89,478.66, 134,211.02 and 52,014.84

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Solution

The fourth proportional to 89,478.66, 134,211.02 and 52,014.84 is: 78,018.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,478.66 : 134,211.02 = 52,014.84 : x
  2. Step 2: Convert to fraction form
    89,478.66/134,211.02 = 52,014.84/x
  3. Step 3: Cross multiply
    89,478.66x = 134,211.02 × 52,014.84
  4. Step 4: Simplify right side
    89,478.66x = 6,980,964,471.46
  5. Step 5: Solve for x
    x = 6,980,964,471.46/89,478.66
  6. Step 6: Final answer
    x = 78,018.21

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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.