Home / 109,581.66-151,222.69-59,280.66

Finding the Fourth Proportional to 109,581.66, 151,222.69 and 59,280.66

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Solution

The fourth proportional to 109,581.66, 151,222.69 and 59,280.66 is: 81,807.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,581.66 : 151,222.69 = 59,280.66 : x
  2. Step 2: Convert to fraction form
    109,581.66/151,222.69 = 59,280.66/x
  3. Step 3: Cross multiply
    109,581.66x = 151,222.69 × 59,280.66
  4. Step 4: Simplify right side
    109,581.66x = 8,964,580,043.74
  5. Step 5: Solve for x
    x = 8,964,580,043.74/109,581.66
  6. Step 6: Final answer
    x = 81,807.31

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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.