Home / 98,537.28-135,981.57-56,095.75

Finding the Fourth Proportional to 98,537.28, 135,981.57 and 56,095.75

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Solution

The fourth proportional to 98,537.28, 135,981.57 and 56,095.75 is: 77,412.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,537.28 : 135,981.57 = 56,095.75 : x
  2. Step 2: Convert to fraction form
    98,537.28/135,981.57 = 56,095.75/x
  3. Step 3: Cross multiply
    98,537.28x = 135,981.57 × 56,095.75
  4. Step 4: Simplify right side
    98,537.28x = 7,627,988,155.33
  5. Step 5: Solve for x
    x = 7,627,988,155.33/98,537.28
  6. Step 6: Final answer
    x = 77,412.21

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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.