Home / 56,378.03-77,801.49-31,227.53

Finding the Fourth Proportional to 56,378.03, 77,801.49 and 31,227.53

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Solution

The fourth proportional to 56,378.03, 77,801.49 and 31,227.53 is: 43,093.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,378.03 : 77,801.49 = 31,227.53 : x
  2. Step 2: Convert to fraction form
    56,378.03/77,801.49 = 31,227.53/x
  3. Step 3: Cross multiply
    56,378.03x = 77,801.49 × 31,227.53
  4. Step 4: Simplify right side
    56,378.03x = 2,429,547,974.01
  5. Step 5: Solve for x
    x = 2,429,547,974.01/56,378.03
  6. Step 6: Final answer
    x = 43,093.88

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1.5x scale

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.