Home / 125,072.33-172,598.09-68,483.70

Finding the Fourth Proportional to 125,072.33, 172,598.09 and 68,483.70

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Solution

The fourth proportional to 125,072.33, 172,598.09 and 68,483.70 is: 94,506.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,072.33 : 172,598.09 = 68,483.70 : x
  2. Step 2: Convert to fraction form
    125,072.33/172,598.09 = 68,483.70/x
  3. Step 3: Cross multiply
    125,072.33x = 172,598.09 × 68,483.70
  4. Step 4: Simplify right side
    125,072.33x = 11,820,155,473.71
  5. Step 5: Solve for x
    x = 11,820,155,473.71/125,072.33
  6. Step 6: Final answer
    x = 94,506.56

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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.