Home / 62,138.45-85,801.66-50,655.18

Finding the Fourth Proportional to 62,138.45, 85,801.66 and 50,655.18

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Solution

The fourth proportional to 62,138.45, 85,801.66 and 50,655.18 is: 69,945.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,138.45 : 85,801.66 = 50,655.18 : x
  2. Step 2: Convert to fraction form
    62,138.45/85,801.66 = 50,655.18/x
  3. Step 3: Cross multiply
    62,138.45x = 85,801.66 × 50,655.18
  4. Step 4: Simplify right side
    62,138.45x = 4,346,299,011.65
  5. Step 5: Solve for x
    x = 4,346,299,011.65/62,138.45
  6. Step 6: Final answer
    x = 69,945.40

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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.