Home / 56,686.19-78,227.66-31,195.49

Finding the Fourth Proportional to 56,686.19, 78,227.66 and 31,195.49

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Solution

The fourth proportional to 56,686.19, 78,227.66 and 31,195.49 is: 43,050.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,686.19 : 78,227.66 = 31,195.49 : x
  2. Step 2: Convert to fraction form
    56,686.19/78,227.66 = 31,195.49/x
  3. Step 3: Cross multiply
    56,686.19x = 78,227.66 × 31,195.49
  4. Step 4: Simplify right side
    56,686.19x = 2,440,349,638.14
  5. Step 5: Solve for x
    x = 2,440,349,638.14/56,686.19
  6. Step 6: Final answer
    x = 43,050.17

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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.