Home / 52,261.24-78,216.88-42,900.88

Finding the Fourth Proportional to 52,261.24, 78,216.88 and 42,900.88

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Solution

The fourth proportional to 52,261.24, 78,216.88 and 42,900.88 is: 64,207.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,261.24 : 78,216.88 = 42,900.88 : x
  2. Step 2: Convert to fraction form
    52,261.24/78,216.88 = 42,900.88/x
  3. Step 3: Cross multiply
    52,261.24x = 78,216.88 × 42,900.88
  4. Step 4: Simplify right side
    52,261.24x = 3,355,572,982.85
  5. Step 5: Solve for x
    x = 3,355,572,982.85/52,261.24
  6. Step 6: Final answer
    x = 64,207.68

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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.