Home / 82,400.24-123,294.18-49,138.40

Finding the Fourth Proportional to 82,400.24, 123,294.18 and 49,138.40

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Solution

The fourth proportional to 82,400.24, 123,294.18 and 49,138.40 is: 73,525.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,400.24 : 123,294.18 = 49,138.40 : x
  2. Step 2: Convert to fraction form
    82,400.24/123,294.18 = 49,138.40/x
  3. Step 3: Cross multiply
    82,400.24x = 123,294.18 × 49,138.40
  4. Step 4: Simplify right side
    82,400.24x = 6,058,478,734.51
  5. Step 5: Solve for x
    x = 6,058,478,734.51/82,400.24
  6. Step 6: Final answer
    x = 73,525.01

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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.