Home / 109,575.50-151,214.32-59,274.50

Finding the Fourth Proportional to 109,575.50, 151,214.32 and 59,274.50

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Solution

The fourth proportional to 109,575.50, 151,214.32 and 59,274.50 is: 81,798.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,575.50 : 151,214.32 = 59,274.50 : x
  2. Step 2: Convert to fraction form
    109,575.50/151,214.32 = 59,274.50/x
  3. Step 3: Cross multiply
    109,575.50x = 151,214.32 × 59,274.50
  4. Step 4: Simplify right side
    109,575.50x = 8,963,153,210.84
  5. Step 5: Solve for x
    x = 8,963,153,210.84/109,575.50
  6. Step 6: Final answer
    x = 81,798.88

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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.