Home / 64,213.09-88,603.71-40,322.85

Finding the Fourth Proportional to 64,213.09, 88,603.71 and 40,322.85

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Solution

The fourth proportional to 64,213.09, 88,603.71 and 40,322.85 is: 55,639.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,213.09 : 88,603.71 = 40,322.85 : x
  2. Step 2: Convert to fraction form
    64,213.09/88,603.71 = 40,322.85/x
  3. Step 3: Cross multiply
    64,213.09x = 88,603.71 × 40,322.85
  4. Step 4: Simplify right side
    64,213.09x = 3,572,753,624.30
  5. Step 5: Solve for x
    x = 3,572,753,624.30/64,213.09
  6. Step 6: Final answer
    x = 55,639.03

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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.