Home / 72,097.08-108,145.57-52,500.30

Finding the Fourth Proportional to 72,097.08, 108,145.57 and 52,500.30

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Solution

The fourth proportional to 72,097.08, 108,145.57 and 52,500.30 is: 78,750.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,097.08 : 108,145.57 = 52,500.30 : x
  2. Step 2: Convert to fraction form
    72,097.08/108,145.57 = 52,500.30/x
  3. Step 3: Cross multiply
    72,097.08x = 108,145.57 × 52,500.30
  4. Step 4: Simplify right side
    72,097.08x = 5,677,674,868.67
  5. Step 5: Solve for x
    x = 5,677,674,868.67/72,097.08
  6. Step 6: Final answer
    x = 78,750.41

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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.