Home / 42,358.79-63,537.81-10,768.95

Finding the Fourth Proportional to 42,358.79, 63,537.81 and 10,768.95

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Solution

The fourth proportional to 42,358.79, 63,537.81 and 10,768.95 is: 16,153.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,358.79 : 63,537.81 = 10,768.95 : x
  2. Step 2: Convert to fraction form
    42,358.79/63,537.81 = 10,768.95/x
  3. Step 3: Cross multiply
    42,358.79x = 63,537.81 × 10,768.95
  4. Step 4: Simplify right side
    42,358.79x = 684,235,499.00
  5. Step 5: Solve for x
    x = 684,235,499.00/42,358.79
  6. Step 6: Final answer
    x = 16,153.33

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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.