Home / 101,021.04-151,515.23-47,712.92

Finding the Fourth Proportional to 101,021.04, 151,515.23 and 47,712.92

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Solution

The fourth proportional to 101,021.04, 151,515.23 and 47,712.92 is: 71,561.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,021.04 : 151,515.23 = 47,712.92 : x
  2. Step 2: Convert to fraction form
    101,021.04/151,515.23 = 47,712.92/x
  3. Step 3: Cross multiply
    101,021.04x = 151,515.23 × 47,712.92
  4. Step 4: Simplify right side
    101,021.04x = 7,229,233,051.63
  5. Step 5: Solve for x
    x = 7,229,233,051.63/101,021.04
  6. Step 6: Final answer
    x = 71,561.66

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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.