Home / 63,150.45-87,153.75-47,207.22

Finding the Fourth Proportional to 63,150.45, 87,153.75 and 47,207.22

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Solution

The fourth proportional to 63,150.45, 87,153.75 and 47,207.22 is: 65,150.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,150.45 : 87,153.75 = 47,207.22 : x
  2. Step 2: Convert to fraction form
    63,150.45/87,153.75 = 47,207.22/x
  3. Step 3: Cross multiply
    63,150.45x = 87,153.75 × 47,207.22
  4. Step 4: Simplify right side
    63,150.45x = 4,114,286,250.08
  5. Step 5: Solve for x
    x = 4,114,286,250.08/63,150.45
  6. Step 6: Final answer
    x = 65,150.55

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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.