Home / 113,701.72-170,570.12-38,804.34

Finding the Fourth Proportional to 113,701.72, 170,570.12 and 38,804.34

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Solution

The fourth proportional to 113,701.72, 170,570.12 and 38,804.34 is: 58,212.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,701.72 : 170,570.12 = 38,804.34 : x
  2. Step 2: Convert to fraction form
    113,701.72/170,570.12 = 38,804.34/x
  3. Step 3: Cross multiply
    113,701.72x = 170,570.12 × 38,804.34
  4. Step 4: Simplify right side
    113,701.72x = 6,618,860,930.32
  5. Step 5: Solve for x
    x = 6,618,860,930.32/113,701.72
  6. Step 6: Final answer
    x = 58,212.50

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1.5x scale

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.