Home / 70,534.11-105,776.73-33,111.84

Finding the Fourth Proportional to 70,534.11, 105,776.73 and 33,111.84

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Solution

The fourth proportional to 70,534.11, 105,776.73 and 33,111.84 is: 49,656.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,534.11 : 105,776.73 = 33,111.84 : x
  2. Step 2: Convert to fraction form
    70,534.11/105,776.73 = 33,111.84/x
  3. Step 3: Cross multiply
    70,534.11x = 105,776.73 × 33,111.84
  4. Step 4: Simplify right side
    70,534.11x = 3,502,462,159.48
  5. Step 5: Solve for x
    x = 3,502,462,159.48/70,534.11
  6. Step 6: Final answer
    x = 49,656.29

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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.