Home / 64,909.95-89,515.68-49,803.24

Finding the Fourth Proportional to 64,909.95, 89,515.68 and 49,803.24

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Solution

The fourth proportional to 64,909.95, 89,515.68 and 49,803.24 is: 68,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,909.95 : 89,515.68 = 49,803.24 : x
  2. Step 2: Convert to fraction form
    64,909.95/89,515.68 = 49,803.24/x
  3. Step 3: Cross multiply
    64,909.95x = 89,515.68 × 49,803.24
  4. Step 4: Simplify right side
    64,909.95x = 4,458,170,894.80
  5. Step 5: Solve for x
    x = 4,458,170,894.80/64,909.95
  6. Step 6: Final answer
    x = 68,682.40

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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.