Home / 88,458.40-122,228.04-70,699.96

Finding the Fourth Proportional to 88,458.40, 122,228.04 and 70,699.96

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Solution

The fourth proportional to 88,458.40, 122,228.04 and 70,699.96 is: 97,690.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,458.40 : 122,228.04 = 70,699.96 : x
  2. Step 2: Convert to fraction form
    88,458.40/122,228.04 = 70,699.96/x
  3. Step 3: Cross multiply
    88,458.40x = 122,228.04 × 70,699.96
  4. Step 4: Simplify right side
    88,458.40x = 8,641,517,538.88
  5. Step 5: Solve for x
    x = 8,641,517,538.88/88,458.40
  6. Step 6: Final answer
    x = 97,690.19

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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.