Home / 109,647.52-151,313.32-59,346.56

Finding the Fourth Proportional to 109,647.52, 151,313.32 and 59,346.56

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Solution

The fourth proportional to 109,647.52, 151,313.32 and 59,346.56 is: 81,898.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,647.52 : 151,313.32 = 59,346.56 : x
  2. Step 2: Convert to fraction form
    109,647.52/151,313.32 = 59,346.56/x
  3. Step 3: Cross multiply
    109,647.52x = 151,313.32 × 59,346.56
  4. Step 4: Simplify right side
    109,647.52x = 8,979,925,024.18
  5. Step 5: Solve for x
    x = 8,979,925,024.18/109,647.52
  6. Step 6: Final answer
    x = 81,898.11

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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.