Home / 109,823.06-151,530.36-64,498.70

Finding the Fourth Proportional to 109,823.06, 151,530.36 and 64,498.70

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Solution

The fourth proportional to 109,823.06, 151,530.36 and 64,498.70 is: 88,993.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,823.06 : 151,530.36 = 64,498.70 : x
  2. Step 2: Convert to fraction form
    109,823.06/151,530.36 = 64,498.70/x
  3. Step 3: Cross multiply
    109,823.06x = 151,530.36 × 64,498.70
  4. Step 4: Simplify right side
    109,823.06x = 9,773,511,230.53
  5. Step 5: Solve for x
    x = 9,773,511,230.53/109,823.06
  6. Step 6: Final answer
    x = 88,993.25

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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.