Home / 101,020.13-151,589.27-56,079.34

Finding the Fourth Proportional to 101,020.13, 151,589.27 and 56,079.34

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Solution

The fourth proportional to 101,020.13, 151,589.27 and 56,079.34 is: 84,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,020.13 : 151,589.27 = 56,079.34 : x
  2. Step 2: Convert to fraction form
    101,020.13/151,589.27 = 56,079.34/x
  3. Step 3: Cross multiply
    101,020.13x = 151,589.27 × 56,079.34
  4. Step 4: Simplify right side
    101,020.13x = 8,501,025,973.91
  5. Step 5: Solve for x
    x = 8,501,025,973.91/101,020.13
  6. Step 6: Final answer
    x = 84,151.80

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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.