Home / 72,267.39-99,772.56-47,160.63

Finding the Fourth Proportional to 72,267.39, 99,772.56 and 47,160.63

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Solution

The fourth proportional to 72,267.39, 99,772.56 and 47,160.63 is: 65,110.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,267.39 : 99,772.56 = 47,160.63 : x
  2. Step 2: Convert to fraction form
    72,267.39/99,772.56 = 47,160.63/x
  3. Step 3: Cross multiply
    72,267.39x = 99,772.56 × 47,160.63
  4. Step 4: Simplify right side
    72,267.39x = 4,705,336,786.31
  5. Step 5: Solve for x
    x = 4,705,336,786.31/72,267.39
  6. Step 6: Final answer
    x = 65,110.10

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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.