Home / 61,136.15-84,366.81-34,278.58

Finding the Fourth Proportional to 61,136.15, 84,366.81 and 34,278.58

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Solution

The fourth proportional to 61,136.15, 84,366.81 and 34,278.58 is: 47,303.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,136.15 : 84,366.81 = 34,278.58 : x
  2. Step 2: Convert to fraction form
    61,136.15/84,366.81 = 34,278.58/x
  3. Step 3: Cross multiply
    61,136.15x = 84,366.81 × 34,278.58
  4. Step 4: Simplify right side
    61,136.15x = 2,891,974,235.01
  5. Step 5: Solve for x
    x = 2,891,974,235.01/61,136.15
  6. Step 6: Final answer
    x = 47,303.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.