Home / 110,875.40-166,313.10-31,992.20

Finding the Fourth Proportional to 110,875.40, 166,313.10 and 31,992.20

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Solution

The fourth proportional to 110,875.40, 166,313.10 and 31,992.20 is: 47,988.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,875.40 : 166,313.10 = 31,992.20 : x
  2. Step 2: Convert to fraction form
    110,875.40/166,313.10 = 31,992.20/x
  3. Step 3: Cross multiply
    110,875.40x = 166,313.10 × 31,992.20
  4. Step 4: Simplify right side
    110,875.40x = 5,320,721,957.82
  5. Step 5: Solve for x
    x = 5,320,721,957.82/110,875.40
  6. Step 6: Final answer
    x = 47,988.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.