Home / 101,534.13-140,112.56-56,208.93

Finding the Fourth Proportional to 101,534.13, 140,112.56 and 56,208.93

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Solution

The fourth proportional to 101,534.13, 140,112.56 and 56,208.93 is: 77,565.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,534.13 : 140,112.56 = 56,208.93 : x
  2. Step 2: Convert to fraction form
    101,534.13/140,112.56 = 56,208.93/x
  3. Step 3: Cross multiply
    101,534.13x = 140,112.56 × 56,208.93
  4. Step 4: Simplify right side
    101,534.13x = 7,875,576,796.12
  5. Step 5: Solve for x
    x = 7,875,576,796.12/101,534.13
  6. Step 6: Final answer
    x = 77,565.81

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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.