Home / 109,591.47-151,235.60-59,289.39

Finding the Fourth Proportional to 109,591.47, 151,235.60 and 59,289.39

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Solution

The fourth proportional to 109,591.47, 151,235.60 and 59,289.39 is: 81,819.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,591.47 : 151,235.60 = 59,289.39 : x
  2. Step 2: Convert to fraction form
    109,591.47/151,235.60 = 59,289.39/x
  3. Step 3: Cross multiply
    109,591.47x = 151,235.60 × 59,289.39
  4. Step 4: Simplify right side
    109,591.47x = 8,966,666,173.84
  5. Step 5: Solve for x
    x = 8,966,666,173.84/109,591.47
  6. Step 6: Final answer
    x = 81,819.02

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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.