Home / 56,574.65-78,073.05-31,082.66

Finding the Fourth Proportional to 56,574.65, 78,073.05 and 31,082.66

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Solution

The fourth proportional to 56,574.65, 78,073.05 and 31,082.66 is: 42,894.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,574.65 : 78,073.05 = 31,082.66 : x
  2. Step 2: Convert to fraction form
    56,574.65/78,073.05 = 31,082.66/x
  3. Step 3: Cross multiply
    56,574.65x = 78,073.05 × 31,082.66
  4. Step 4: Simplify right side
    56,574.65x = 2,426,718,263.15
  5. Step 5: Solve for x
    x = 2,426,718,263.15/56,574.65
  6. Step 6: Final answer
    x = 42,894.09

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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.