Home / 88,316.40-121,890.84-52,023.72

Finding the Fourth Proportional to 88,316.40, 121,890.84 and 52,023.72

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Solution

The fourth proportional to 88,316.40, 121,890.84 and 52,023.72 is: 71,801.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,316.40 : 121,890.84 = 52,023.72 : x
  2. Step 2: Convert to fraction form
    88,316.40/121,890.84 = 52,023.72/x
  3. Step 3: Cross multiply
    88,316.40x = 121,890.84 × 52,023.72
  4. Step 4: Simplify right side
    88,316.40x = 6,341,214,930.72
  5. Step 5: Solve for x
    x = 6,341,214,930.72/88,316.40
  6. Step 6: Final answer
    x = 71,801.10

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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.