Home / 79,098.48-118,635.36-26,508.40

Finding the Fourth Proportional to 79,098.48, 118,635.36 and 26,508.40

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Solution

The fourth proportional to 79,098.48, 118,635.36 and 26,508.40 is: 39,758.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,098.48 : 118,635.36 = 26,508.40 : x
  2. Step 2: Convert to fraction form
    79,098.48/118,635.36 = 26,508.40/x
  3. Step 3: Cross multiply
    79,098.48x = 118,635.36 × 26,508.40
  4. Step 4: Simplify right side
    79,098.48x = 3,144,833,577.02
  5. Step 5: Solve for x
    x = 3,144,833,577.02/79,098.48
  6. Step 6: Final answer
    x = 39,758.46

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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.