Home / 101,614.13-140,227.47-56,295.06

Finding the Fourth Proportional to 101,614.13, 140,227.47 and 56,295.06

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Solution

The fourth proportional to 101,614.13, 140,227.47 and 56,295.06 is: 77,687.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,614.13 : 140,227.47 = 56,295.06 : x
  2. Step 2: Convert to fraction form
    101,614.13/140,227.47 = 56,295.06/x
  3. Step 3: Cross multiply
    101,614.13x = 140,227.47 × 56,295.06
  4. Step 4: Simplify right side
    101,614.13x = 7,894,113,837.30
  5. Step 5: Solve for x
    x = 7,894,113,837.30/101,614.13
  6. Step 6: Final answer
    x = 77,687.17

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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.