Home / 101,637.37-140,266.38-56,317.33

Finding the Fourth Proportional to 101,637.37, 140,266.38 and 56,317.33

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Solution

The fourth proportional to 101,637.37, 140,266.38 and 56,317.33 is: 77,721.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,637.37 : 140,266.38 = 56,317.33 : x
  2. Step 2: Convert to fraction form
    101,637.37/140,266.38 = 56,317.33/x
  3. Step 3: Cross multiply
    101,637.37x = 140,266.38 × 56,317.33
  4. Step 4: Simplify right side
    101,637.37x = 7,899,428,010.37
  5. Step 5: Solve for x
    x = 7,899,428,010.37/101,637.37
  6. Step 6: Final answer
    x = 77,721.69

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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.