Home / 109,836.27-151,572.96-61,437.60

Finding the Fourth Proportional to 109,836.27, 151,572.96 and 61,437.60

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Solution

The fourth proportional to 109,836.27, 151,572.96 and 61,437.60 is: 84,783.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,836.27 : 151,572.96 = 61,437.60 : x
  2. Step 2: Convert to fraction form
    109,836.27/151,572.96 = 61,437.60/x
  3. Step 3: Cross multiply
    109,836.27x = 151,572.96 × 61,437.60
  4. Step 4: Simplify right side
    109,836.27x = 9,312,278,887.30
  5. Step 5: Solve for x
    x = 9,312,278,887.30/109,836.27
  6. Step 6: Final answer
    x = 84,783.28

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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.