Home / 88,087.64-121,619.48-52,289.15

Finding the Fourth Proportional to 88,087.64, 121,619.48 and 52,289.15

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Solution

The fourth proportional to 88,087.64, 121,619.48 and 52,289.15 is: 72,193.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,087.64 : 121,619.48 = 52,289.15 : x
  2. Step 2: Convert to fraction form
    88,087.64/121,619.48 = 52,289.15/x
  3. Step 3: Cross multiply
    88,087.64x = 121,619.48 × 52,289.15
  4. Step 4: Simplify right side
    88,087.64x = 6,359,378,363.10
  5. Step 5: Solve for x
    x = 6,359,378,363.10/88,087.64
  6. Step 6: Final answer
    x = 72,193.77

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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.