Home / 53,679.96-80,158.19-43,838.46

Finding the Fourth Proportional to 53,679.96, 80,158.19 and 43,838.46

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Solution

The fourth proportional to 53,679.96, 80,158.19 and 43,838.46 is: 65,462.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,679.96 : 80,158.19 = 43,838.46 : x
  2. Step 2: Convert to fraction form
    53,679.96/80,158.19 = 43,838.46/x
  3. Step 3: Cross multiply
    53,679.96x = 80,158.19 × 43,838.46
  4. Step 4: Simplify right side
    53,679.96x = 3,514,011,386.80
  5. Step 5: Solve for x
    x = 3,514,011,386.80/53,679.96
  6. Step 6: Final answer
    x = 65,462.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.