Home / 109,438.24-151,024.32-59,137.12

Finding the Fourth Proportional to 109,438.24, 151,024.32 and 59,137.12

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Solution

The fourth proportional to 109,438.24, 151,024.32 and 59,137.12 is: 81,608.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,438.24 : 151,024.32 = 59,137.12 : x
  2. Step 2: Convert to fraction form
    109,438.24/151,024.32 = 59,137.12/x
  3. Step 3: Cross multiply
    109,438.24x = 151,024.32 × 59,137.12
  4. Step 4: Simplify right side
    109,438.24x = 8,931,143,334.76
  5. Step 5: Solve for x
    x = 8,931,143,334.76/109,438.24
  6. Step 6: Final answer
    x = 81,608.98

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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.