Home / 109,621.67-151,278.33-59,320.67

Finding the Fourth Proportional to 109,621.67, 151,278.33 and 59,320.67

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Solution

The fourth proportional to 109,621.67, 151,278.33 and 59,320.67 is: 81,862.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,621.67 : 151,278.33 = 59,320.67 : x
  2. Step 2: Convert to fraction form
    109,621.67/151,278.33 = 59,320.67/x
  3. Step 3: Cross multiply
    109,621.67x = 151,278.33 × 59,320.67
  4. Step 4: Simplify right side
    109,621.67x = 8,973,931,135.69
  5. Step 5: Solve for x
    x = 8,973,931,135.69/109,621.67
  6. Step 6: Final answer
    x = 81,862.75

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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.