Home / 89,889.60-124,072.32-52,176

Finding the Fourth Proportional to 89,889.60, 124,072.32 and 52,176

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Solution

The fourth proportional to 89,889.60, 124,072.32 and 52,176 is: 72,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,889.60 : 124,072.32 = 52,176 : x
  2. Step 2: Convert to fraction form
    89,889.60/124,072.32 = 52,176/x
  3. Step 3: Cross multiply
    89,889.60x = 124,072.32 × 52,176
  4. Step 4: Simplify right side
    89,889.60x = 6,473,597,368.32
  5. Step 5: Solve for x
    x = 6,473,597,368.32/89,889.60
  6. Step 6: Final answer
    x = 72,017.20

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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.