Home / 61,848.84-92,780.08-19,719.12

Finding the Fourth Proportional to 61,848.84, 92,780.08 and 19,719.12

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Solution

The fourth proportional to 61,848.84, 92,780.08 and 19,719.12 is: 29,580.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,848.84 : 92,780.08 = 19,719.12 : x
  2. Step 2: Convert to fraction form
    61,848.84/92,780.08 = 19,719.12/x
  3. Step 3: Cross multiply
    61,848.84x = 92,780.08 × 19,719.12
  4. Step 4: Simplify right side
    61,848.84x = 1,829,541,531.13
  5. Step 5: Solve for x
    x = 1,829,541,531.13/61,848.84
  6. Step 6: Final answer
    x = 29,580.85

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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.