Home / 109,511.02-151,125.27-59,209.98

Finding the Fourth Proportional to 109,511.02, 151,125.27 and 59,209.98

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Solution

The fourth proportional to 109,511.02, 151,125.27 and 59,209.98 is: 81,709.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,511.02 : 151,125.27 = 59,209.98 : x
  2. Step 2: Convert to fraction form
    109,511.02/151,125.27 = 59,209.98/x
  3. Step 3: Cross multiply
    109,511.02x = 151,125.27 × 59,209.98
  4. Step 4: Simplify right side
    109,511.02x = 8,948,124,214.19
  5. Step 5: Solve for x
    x = 8,948,124,214.19/109,511.02
  6. Step 6: Final answer
    x = 81,709.81

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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.