Home / 64,488.12-88,993.61-36,193.81

Finding the Fourth Proportional to 64,488.12, 88,993.61 and 36,193.81

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Solution

The fourth proportional to 64,488.12, 88,993.61 and 36,193.81 is: 49,947.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,488.12 : 88,993.61 = 36,193.81 : x
  2. Step 2: Convert to fraction form
    64,488.12/88,993.61 = 36,193.81/x
  3. Step 3: Cross multiply
    64,488.12x = 88,993.61 × 36,193.81
  4. Step 4: Simplify right side
    64,488.12x = 3,221,017,877.55
  5. Step 5: Solve for x
    x = 3,221,017,877.55/64,488.12
  6. Step 6: Final answer
    x = 49,947.46

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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.