Home / 64,361.35-88,818.69-39,210.85

Finding the Fourth Proportional to 64,361.35, 88,818.69 and 39,210.85

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Solution

The fourth proportional to 64,361.35, 88,818.69 and 39,210.85 is: 54,110.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,361.35 : 88,818.69 = 39,210.85 : x
  2. Step 2: Convert to fraction form
    64,361.35/88,818.69 = 39,210.85/x
  3. Step 3: Cross multiply
    64,361.35x = 88,818.69 × 39,210.85
  4. Step 4: Simplify right side
    64,361.35x = 3,482,656,330.79
  5. Step 5: Solve for x
    x = 3,482,656,330.79/64,361.35
  6. Step 6: Final answer
    x = 54,110.99

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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.