Home / 109,857.02-151,601.33-64,539.14

Finding the Fourth Proportional to 109,857.02, 151,601.33 and 64,539.14

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Solution

The fourth proportional to 109,857.02, 151,601.33 and 64,539.14 is: 89,063.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,857.02 : 151,601.33 = 64,539.14 : x
  2. Step 2: Convert to fraction form
    109,857.02/151,601.33 = 64,539.14/x
  3. Step 3: Cross multiply
    109,857.02x = 151,601.33 × 64,539.14
  4. Step 4: Simplify right side
    109,857.02x = 9,784,218,864.40
  5. Step 5: Solve for x
    x = 9,784,218,864.40/109,857.02
  6. Step 6: Final answer
    x = 89,063.21

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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.