Home / 109,857.72-151,602.30-59,555.64

Finding the Fourth Proportional to 109,857.72, 151,602.30 and 59,555.64

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Solution

The fourth proportional to 109,857.72, 151,602.30 and 59,555.64 is: 82,186.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,857.72 : 151,602.30 = 59,555.64 : x
  2. Step 2: Convert to fraction form
    109,857.72/151,602.30 = 59,555.64/x
  3. Step 3: Cross multiply
    109,857.72x = 151,602.30 × 59,555.64
  4. Step 4: Simplify right side
    109,857.72x = 9,028,772,001.97
  5. Step 5: Solve for x
    x = 9,028,772,001.97/109,857.72
  6. Step 6: Final answer
    x = 82,186.05

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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.