Home / 109,778.01-151,493.54-59,477.01

Finding the Fourth Proportional to 109,778.01, 151,493.54 and 59,477.01

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Solution

The fourth proportional to 109,778.01, 151,493.54 and 59,477.01 is: 82,078.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,778.01 : 151,493.54 = 59,477.01 : x
  2. Step 2: Convert to fraction form
    109,778.01/151,493.54 = 59,477.01/x
  3. Step 3: Cross multiply
    109,778.01x = 151,493.54 × 59,477.01
  4. Step 4: Simplify right side
    109,778.01x = 9,010,382,496.13
  5. Step 5: Solve for x
    x = 9,010,382,496.13/109,778.01
  6. Step 6: Final answer
    x = 82,078.21

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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.