Home / 125,001.90-172,498.37-68,412.06

Finding the Fourth Proportional to 125,001.90, 172,498.37 and 68,412.06

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Solution

The fourth proportional to 125,001.90, 172,498.37 and 68,412.06 is: 94,406.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,001.90 : 172,498.37 = 68,412.06 : x
  2. Step 2: Convert to fraction form
    125,001.90/172,498.37 = 68,412.06/x
  3. Step 3: Cross multiply
    125,001.90x = 172,498.37 × 68,412.06
  4. Step 4: Simplify right side
    125,001.90x = 11,800,968,838.34
  5. Step 5: Solve for x
    x = 11,800,968,838.34/125,001.90
  6. Step 6: Final answer
    x = 94,406.32

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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.