Home / 75,020.40-112,536.54-25,100.76

Finding the Fourth Proportional to 75,020.40, 112,536.54 and 25,100.76

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Solution

The fourth proportional to 75,020.40, 112,536.54 and 25,100.76 is: 37,653.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,020.40 : 112,536.54 = 25,100.76 : x
  2. Step 2: Convert to fraction form
    75,020.40/112,536.54 = 25,100.76/x
  3. Step 3: Cross multiply
    75,020.40x = 112,536.54 × 25,100.76
  4. Step 4: Simplify right side
    75,020.40x = 2,824,752,681.77
  5. Step 5: Solve for x
    x = 2,824,752,681.77/75,020.40
  6. Step 6: Final answer
    x = 37,653.13

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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.