Home / 61,876.09-92,815.73-19,756.13

Finding the Fourth Proportional to 61,876.09, 92,815.73 and 19,756.13

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Solution

The fourth proportional to 61,876.09, 92,815.73 and 19,756.13 is: 29,634.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,876.09 : 92,815.73 = 19,756.13 : x
  2. Step 2: Convert to fraction form
    61,876.09/92,815.73 = 19,756.13/x
  3. Step 3: Cross multiply
    61,876.09x = 92,815.73 × 19,756.13
  4. Step 4: Simplify right side
    61,876.09x = 1,833,679,627.92
  5. Step 5: Solve for x
    x = 1,833,679,627.92/61,876.09
  6. Step 6: Final answer
    x = 29,634.70

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1.5x scale

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.