Home / 107,928.50-148,941.33-63,216.50

Finding the Fourth Proportional to 107,928.50, 148,941.33 and 63,216.50

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Solution

The fourth proportional to 107,928.50, 148,941.33 and 63,216.50 is: 87,238.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,928.50 : 148,941.33 = 63,216.50 : x
  2. Step 2: Convert to fraction form
    107,928.50/148,941.33 = 63,216.50/x
  3. Step 3: Cross multiply
    107,928.50x = 148,941.33 × 63,216.50
  4. Step 4: Simplify right side
    107,928.50x = 9,415,549,587.95
  5. Step 5: Solve for x
    x = 9,415,549,587.95/107,928.50
  6. Step 6: Final answer
    x = 87,238.77

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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.