Home / 63,478.37-87,400.35-48,322.46

Finding the Fourth Proportional to 63,478.37, 87,400.35 and 48,322.46

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Solution

The fourth proportional to 63,478.37, 87,400.35 and 48,322.46 is: 66,532.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,478.37 : 87,400.35 = 48,322.46 : x
  2. Step 2: Convert to fraction form
    63,478.37/87,400.35 = 48,322.46/x
  3. Step 3: Cross multiply
    63,478.37x = 87,400.35 × 48,322.46
  4. Step 4: Simplify right side
    63,478.37x = 4,223,399,479.86
  5. Step 5: Solve for x
    x = 4,223,399,479.86/63,478.37
  6. Step 6: Final answer
    x = 66,532.90

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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.