Home / 75,186.54-103,521.24-63,832.32

Finding the Fourth Proportional to 75,186.54, 103,521.24 and 63,832.32

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Solution

The fourth proportional to 75,186.54, 103,521.24 and 63,832.32 is: 87,888.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,186.54 : 103,521.24 = 63,832.32 : x
  2. Step 2: Convert to fraction form
    75,186.54/103,521.24 = 63,832.32/x
  3. Step 3: Cross multiply
    75,186.54x = 103,521.24 × 63,832.32
  4. Step 4: Simplify right side
    75,186.54x = 6,608,000,918.48
  5. Step 5: Solve for x
    x = 6,608,000,918.48/75,186.54
  6. Step 6: Final answer
    x = 87,888.08

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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.