Home / 90,457.76-135,693.14-23,897.02

Finding the Fourth Proportional to 90,457.76, 135,693.14 and 23,897.02

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Solution

The fourth proportional to 90,457.76, 135,693.14 and 23,897.02 is: 35,847.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,457.76 : 135,693.14 = 23,897.02 : x
  2. Step 2: Convert to fraction form
    90,457.76/135,693.14 = 23,897.02/x
  3. Step 3: Cross multiply
    90,457.76x = 135,693.14 × 23,897.02
  4. Step 4: Simplify right side
    90,457.76x = 3,242,661,680.44
  5. Step 5: Solve for x
    x = 3,242,661,680.44/90,457.76
  6. Step 6: Final answer
    x = 35,847.25

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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.