Home / 125,095.12-172,622.28-68,497.36

Finding the Fourth Proportional to 125,095.12, 172,622.28 and 68,497.36

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Solution

The fourth proportional to 125,095.12, 172,622.28 and 68,497.36 is: 94,521.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,095.12 : 172,622.28 = 68,497.36 : x
  2. Step 2: Convert to fraction form
    125,095.12/172,622.28 = 68,497.36/x
  3. Step 3: Cross multiply
    125,095.12x = 172,622.28 × 68,497.36
  4. Step 4: Simplify right side
    125,095.12x = 11,824,170,457.18
  5. Step 5: Solve for x
    x = 11,824,170,457.18/125,095.12
  6. Step 6: Final answer
    x = 94,521.44

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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.