Home / 52,328.16-78,526.80-31,252.68

Finding the Fourth Proportional to 52,328.16, 78,526.80 and 31,252.68

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Solution

The fourth proportional to 52,328.16, 78,526.80 and 31,252.68 is: 46,899.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,328.16 : 78,526.80 = 31,252.68 : x
  2. Step 2: Convert to fraction form
    52,328.16/78,526.80 = 31,252.68/x
  3. Step 3: Cross multiply
    52,328.16x = 78,526.80 × 31,252.68
  4. Step 4: Simplify right side
    52,328.16x = 2,454,172,951.82
  5. Step 5: Solve for x
    x = 2,454,172,951.82/52,328.16
  6. Step 6: Final answer
    x = 46,899.66

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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.