Home / 56,721.24-78,106.49-55,462.54

Finding the Fourth Proportional to 56,721.24, 78,106.49 and 55,462.54

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Solution

The fourth proportional to 56,721.24, 78,106.49 and 55,462.54 is: 76,373.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,721.24 : 78,106.49 = 55,462.54 : x
  2. Step 2: Convert to fraction form
    56,721.24/78,106.49 = 55,462.54/x
  3. Step 3: Cross multiply
    56,721.24x = 78,106.49 × 55,462.54
  4. Step 4: Simplify right side
    56,721.24x = 4,331,983,853.31
  5. Step 5: Solve for x
    x = 4,331,983,853.31/56,721.24
  6. Step 6: Final answer
    x = 76,373.22

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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.