Home / 42,873.25-64,314.33-11,708.50

Finding the Fourth Proportional to 42,873.25, 64,314.33 and 11,708.50

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Solution

The fourth proportional to 42,873.25, 64,314.33 and 11,708.50 is: 17,563.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,873.25 : 64,314.33 = 11,708.50 : x
  2. Step 2: Convert to fraction form
    42,873.25/64,314.33 = 11,708.50/x
  3. Step 3: Cross multiply
    42,873.25x = 64,314.33 × 11,708.50
  4. Step 4: Simplify right side
    42,873.25x = 753,024,332.81
  5. Step 5: Solve for x
    x = 753,024,332.81/42,873.25
  6. Step 6: Final answer
    x = 17,563.97

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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.