Home / 70,033.12-105,055.47-29,518.33

Finding the Fourth Proportional to 70,033.12, 105,055.47 and 29,518.33

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Solution

The fourth proportional to 70,033.12, 105,055.47 and 29,518.33 is: 44,279.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,033.12 : 105,055.47 = 29,518.33 : x
  2. Step 2: Convert to fraction form
    70,033.12/105,055.47 = 29,518.33/x
  3. Step 3: Cross multiply
    70,033.12x = 105,055.47 × 29,518.33
  4. Step 4: Simplify right side
    70,033.12x = 3,101,062,031.77
  5. Step 5: Solve for x
    x = 3,101,062,031.77/70,033.12
  6. Step 6: Final answer
    x = 44,279.94

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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.