Home / 55,270.85-76,264.27-31,068.46

Finding the Fourth Proportional to 55,270.85, 76,264.27 and 31,068.46

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Solution

The fourth proportional to 55,270.85, 76,264.27 and 31,068.46 is: 42,869.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,270.85 : 76,264.27 = 31,068.46 : x
  2. Step 2: Convert to fraction form
    55,270.85/76,264.27 = 31,068.46/x
  3. Step 3: Cross multiply
    55,270.85x = 76,264.27 × 31,068.46
  4. Step 4: Simplify right side
    55,270.85x = 2,369,413,570.65
  5. Step 5: Solve for x
    x = 2,369,413,570.65/55,270.85
  6. Step 6: Final answer
    x = 42,869.13

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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.