Home / 89,971.59-124,160.23-49,685.03

Finding the Fourth Proportional to 89,971.59, 124,160.23 and 49,685.03

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Solution

The fourth proportional to 89,971.59, 124,160.23 and 49,685.03 is: 68,565.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,971.59 : 124,160.23 = 49,685.03 : x
  2. Step 2: Convert to fraction form
    89,971.59/124,160.23 = 49,685.03/x
  3. Step 3: Cross multiply
    89,971.59x = 124,160.23 × 49,685.03
  4. Step 4: Simplify right side
    89,971.59x = 6,168,903,883.13
  5. Step 5: Solve for x
    x = 6,168,903,883.13/89,971.59
  6. Step 6: Final answer
    x = 68,565.02

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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.