Home / 125,044.72-187,582.50-40,782.35

Finding the Fourth Proportional to 125,044.72, 187,582.50 and 40,782.35

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Solution

The fourth proportional to 125,044.72, 187,582.50 and 40,782.35 is: 61,178.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,044.72 : 187,582.50 = 40,782.35 : x
  2. Step 2: Convert to fraction form
    125,044.72/187,582.50 = 40,782.35/x
  3. Step 3: Cross multiply
    125,044.72x = 187,582.50 × 40,782.35
  4. Step 4: Simplify right side
    125,044.72x = 7,650,055,637.83
  5. Step 5: Solve for x
    x = 7,650,055,637.83/125,044.72
  6. Step 6: Final answer
    x = 61,178.56

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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.