Home / 72,257.66-99,700.57-49,588.35

Finding the Fourth Proportional to 72,257.66, 99,700.57 and 49,588.35

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Solution

The fourth proportional to 72,257.66, 99,700.57 and 49,588.35 is: 68,421.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,257.66 : 99,700.57 = 49,588.35 : x
  2. Step 2: Convert to fraction form
    72,257.66/99,700.57 = 49,588.35/x
  3. Step 3: Cross multiply
    72,257.66x = 99,700.57 × 49,588.35
  4. Step 4: Simplify right side
    72,257.66x = 4,943,986,512.42
  5. Step 5: Solve for x
    x = 4,943,986,512.42/72,257.66
  6. Step 6: Final answer
    x = 68,421.63

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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.