Home / 64,011.58-88,327.20-35,711.80

Finding the Fourth Proportional to 64,011.58, 88,327.20 and 35,711.80

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Solution

The fourth proportional to 64,011.58, 88,327.20 and 35,711.80 is: 49,277.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,011.58 : 88,327.20 = 35,711.80 : x
  2. Step 2: Convert to fraction form
    64,011.58/88,327.20 = 35,711.80/x
  3. Step 3: Cross multiply
    64,011.58x = 88,327.20 × 35,711.80
  4. Step 4: Simplify right side
    64,011.58x = 3,154,323,300.96
  5. Step 5: Solve for x
    x = 3,154,323,300.96/64,011.58
  6. Step 6: Final answer
    x = 49,277.39

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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.