Home / 62,870.52-86,758.10-34,570.74

Finding the Fourth Proportional to 62,870.52, 86,758.10 and 34,570.74

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Solution

The fourth proportional to 62,870.52, 86,758.10 and 34,570.74 is: 47,705.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,870.52 : 86,758.10 = 34,570.74 : x
  2. Step 2: Convert to fraction form
    62,870.52/86,758.10 = 34,570.74/x
  3. Step 3: Cross multiply
    62,870.52x = 86,758.10 × 34,570.74
  4. Step 4: Simplify right side
    62,870.52x = 2,999,291,717.99
  5. Step 5: Solve for x
    x = 2,999,291,717.99/62,870.52
  6. Step 6: Final answer
    x = 47,705.85

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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.