Home / 70,047.18-105,011.64-32,587.92

Finding the Fourth Proportional to 70,047.18, 105,011.64 and 32,587.92

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Solution

The fourth proportional to 70,047.18, 105,011.64 and 32,587.92 is: 48,854.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,047.18 : 105,011.64 = 32,587.92 : x
  2. Step 2: Convert to fraction form
    70,047.18/105,011.64 = 32,587.92/x
  3. Step 3: Cross multiply
    70,047.18x = 105,011.64 × 32,587.92
  4. Step 4: Simplify right side
    70,047.18x = 3,422,110,923.39
  5. Step 5: Solve for x
    x = 3,422,110,923.39/70,047.18
  6. Step 6: Final answer
    x = 48,854.37

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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.