Home / 91,395.68-126,157.76-62,810

Finding the Fourth Proportional to 91,395.68, 126,157.76 and 62,810

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Solution

The fourth proportional to 91,395.68, 126,157.76 and 62,810 is: 86,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,395.68 : 126,157.76 = 62,810 : x
  2. Step 2: Convert to fraction form
    91,395.68/126,157.76 = 62,810/x
  3. Step 3: Cross multiply
    91,395.68x = 126,157.76 × 62,810
  4. Step 4: Simplify right side
    91,395.68x = 7,923,968,905.60
  5. Step 5: Solve for x
    x = 7,923,968,905.60/91,395.68
  6. Step 6: Final answer
    x = 86,699.60

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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.