Home / 125,307.84-187,996.47-57,860.49

Finding the Fourth Proportional to 125,307.84, 187,996.47 and 57,860.49

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Solution

The fourth proportional to 125,307.84, 187,996.47 and 57,860.49 is: 86,806.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,307.84 : 187,996.47 = 57,860.49 : x
  2. Step 2: Convert to fraction form
    125,307.84/187,996.47 = 57,860.49/x
  3. Step 3: Cross multiply
    125,307.84x = 187,996.47 × 57,860.49
  4. Step 4: Simplify right side
    125,307.84x = 10,877,567,872.47
  5. Step 5: Solve for x
    x = 10,877,567,872.47/125,307.84
  6. Step 6: Final answer
    x = 86,806.76

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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.