Home / 72,097.05-108,145.56-52,500.32

Finding the Fourth Proportional to 72,097.05, 108,145.56 and 52,500.32

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Solution

The fourth proportional to 72,097.05, 108,145.56 and 52,500.32 is: 78,750.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,097.05 : 108,145.56 = 52,500.32 : x
  2. Step 2: Convert to fraction form
    72,097.05/108,145.56 = 52,500.32/x
  3. Step 3: Cross multiply
    72,097.05x = 108,145.56 × 52,500.32
  4. Step 4: Simplify right side
    72,097.05x = 5,677,676,506.58
  5. Step 5: Solve for x
    x = 5,677,676,506.58/72,097.05
  6. Step 6: Final answer
    x = 78,750.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.