Home / 117,421.56-175,905.65-70,074.48

Finding the Fourth Proportional to 117,421.56, 175,905.65 and 70,074.48

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Solution

The fourth proportional to 117,421.56, 175,905.65 and 70,074.48 is: 104,976.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,421.56 : 175,905.65 = 70,074.48 : x
  2. Step 2: Convert to fraction form
    117,421.56/175,905.65 = 70,074.48/x
  3. Step 3: Cross multiply
    117,421.56x = 175,905.65 × 70,074.48
  4. Step 4: Simplify right side
    117,421.56x = 12,326,497,567.76
  5. Step 5: Solve for x
    x = 12,326,497,567.76/117,421.56
  6. Step 6: Final answer
    x = 104,976.45

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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.