Home / 115,037.47-172,547.95-36,174.25

Finding the Fourth Proportional to 115,037.47, 172,547.95 and 36,174.25

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Solution

The fourth proportional to 115,037.47, 172,547.95 and 36,174.25 is: 54,258.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,037.47 : 172,547.95 = 36,174.25 : x
  2. Step 2: Convert to fraction form
    115,037.47/172,547.95 = 36,174.25/x
  3. Step 3: Cross multiply
    115,037.47x = 172,547.95 × 36,174.25
  4. Step 4: Simplify right side
    115,037.47x = 6,241,792,680.29
  5. Step 5: Solve for x
    x = 6,241,792,680.29/115,037.47
  6. Step 6: Final answer
    x = 54,258.78

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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.