Home / 109,438.02-151,024.50-59,137.02

Finding the Fourth Proportional to 109,438.02, 151,024.50 and 59,137.02

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Solution

The fourth proportional to 109,438.02, 151,024.50 and 59,137.02 is: 81,609.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,438.02 : 151,024.50 = 59,137.02 : x
  2. Step 2: Convert to fraction form
    109,438.02/151,024.50 = 59,137.02/x
  3. Step 3: Cross multiply
    109,438.02x = 151,024.50 × 59,137.02
  4. Step 4: Simplify right side
    109,438.02x = 8,931,138,876.99
  5. Step 5: Solve for x
    x = 8,931,138,876.99/109,438.02
  6. Step 6: Final answer
    x = 81,609.11

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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.