Home / 62,209.20-93,313.80-42,380.40

Finding the Fourth Proportional to 62,209.20, 93,313.80 and 42,380.40

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Solution

The fourth proportional to 62,209.20, 93,313.80 and 42,380.40 is: 63,570.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,209.20 : 93,313.80 = 42,380.40 : x
  2. Step 2: Convert to fraction form
    62,209.20/93,313.80 = 42,380.40/x
  3. Step 3: Cross multiply
    62,209.20x = 93,313.80 × 42,380.40
  4. Step 4: Simplify right side
    62,209.20x = 3,954,676,169.52
  5. Step 5: Solve for x
    x = 3,954,676,169.52/62,209.20
  6. Step 6: Final answer
    x = 63,570.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.