Home / 124,971.49-172,281.22-89,099.25

Finding the Fourth Proportional to 124,971.49, 172,281.22 and 89,099.25

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Solution

The fourth proportional to 124,971.49, 172,281.22 and 89,099.25 is: 122,829.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,971.49 : 172,281.22 = 89,099.25 : x
  2. Step 2: Convert to fraction form
    124,971.49/172,281.22 = 89,099.25/x
  3. Step 3: Cross multiply
    124,971.49x = 172,281.22 × 89,099.25
  4. Step 4: Simplify right side
    124,971.49x = 15,350,127,491.09
  5. Step 5: Solve for x
    x = 15,350,127,491.09/124,971.49
  6. Step 6: Final answer
    x = 122,829.03

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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.