Home / 88,259.76-121,681.44-73,096.56

Finding the Fourth Proportional to 88,259.76, 121,681.44 and 73,096.56

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Solution

The fourth proportional to 88,259.76, 121,681.44 and 73,096.56 is: 100,776.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,259.76 : 121,681.44 = 73,096.56 : x
  2. Step 2: Convert to fraction form
    88,259.76/121,681.44 = 73,096.56/x
  3. Step 3: Cross multiply
    88,259.76x = 121,681.44 × 73,096.56
  4. Step 4: Simplify right side
    88,259.76x = 8,894,494,679.85
  5. Step 5: Solve for x
    x = 8,894,494,679.85/88,259.76
  6. Step 6: Final answer
    x = 100,776.33

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1.5x scale

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.