Home / 65,740.40-98,610.60-62,111.60

Finding the Fourth Proportional to 65,740.40, 98,610.60 and 62,111.60

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Solution

The fourth proportional to 65,740.40, 98,610.60 and 62,111.60 is: 93,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,740.40 : 98,610.60 = 62,111.60 : x
  2. Step 2: Convert to fraction form
    65,740.40/98,610.60 = 62,111.60/x
  3. Step 3: Cross multiply
    65,740.40x = 98,610.60 × 62,111.60
  4. Step 4: Simplify right side
    65,740.40x = 6,124,862,142.96
  5. Step 5: Solve for x
    x = 6,124,862,142.96/65,740.40
  6. Step 6: Final answer
    x = 93,167.40

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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.