Home / 109,797.08-151,521.15-64,475.60

Finding the Fourth Proportional to 109,797.08, 151,521.15 and 64,475.60

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Solution

The fourth proportional to 109,797.08, 151,521.15 and 64,475.60 is: 88,977.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,797.08 : 151,521.15 = 64,475.60 : x
  2. Step 2: Convert to fraction form
    109,797.08/151,521.15 = 64,475.60/x
  3. Step 3: Cross multiply
    109,797.08x = 151,521.15 × 64,475.60
  4. Step 4: Simplify right side
    109,797.08x = 9,769,417,058.94
  5. Step 5: Solve for x
    x = 9,769,417,058.94/109,797.08
  6. Step 6: Final answer
    x = 88,977.02

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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.