Home / 125,159.07-172,717.20-68,570.04

Finding the Fourth Proportional to 125,159.07, 172,717.20 and 68,570.04

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Solution

The fourth proportional to 125,159.07, 172,717.20 and 68,570.04 is: 94,625.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,159.07 : 172,717.20 = 68,570.04 : x
  2. Step 2: Convert to fraction form
    125,159.07/172,717.20 = 68,570.04/x
  3. Step 3: Cross multiply
    125,159.07x = 172,717.20 × 68,570.04
  4. Step 4: Simplify right side
    125,159.07x = 11,843,225,312.69
  5. Step 5: Solve for x
    x = 11,843,225,312.69/125,159.07
  6. Step 6: Final answer
    x = 94,625.39

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1.5x scale

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.