Home / 109,725.60-151,420.80-59,424.48

Finding the Fourth Proportional to 109,725.60, 151,420.80 and 59,424.48

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Solution

The fourth proportional to 109,725.60, 151,420.80 and 59,424.48 is: 82,005.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,725.60 : 151,420.80 = 59,424.48 : x
  2. Step 2: Convert to fraction form
    109,725.60/151,420.80 = 59,424.48/x
  3. Step 3: Cross multiply
    109,725.60x = 151,420.80 × 59,424.48
  4. Step 4: Simplify right side
    109,725.60x = 8,998,102,301.18
  5. Step 5: Solve for x
    x = 8,998,102,301.18/109,725.60
  6. Step 6: Final answer
    x = 82,005.50

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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.