Home / 65,243.04-97,864.56-61,918.80

Finding the Fourth Proportional to 65,243.04, 97,864.56 and 61,918.80

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Solution

The fourth proportional to 65,243.04, 97,864.56 and 61,918.80 is: 92,878.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,243.04 : 97,864.56 = 61,918.80 : x
  2. Step 2: Convert to fraction form
    65,243.04/97,864.56 = 61,918.80/x
  3. Step 3: Cross multiply
    65,243.04x = 97,864.56 × 61,918.80
  4. Step 4: Simplify right side
    65,243.04x = 6,059,656,117.73
  5. Step 5: Solve for x
    x = 6,059,656,117.73/65,243.04
  6. Step 6: Final answer
    x = 92,878.20

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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.