Home / 113,438.80-170,085.30-46,905.40

Finding the Fourth Proportional to 113,438.80, 170,085.30 and 46,905.40

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Solution

The fourth proportional to 113,438.80, 170,085.30 and 46,905.40 is: 70,327.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,438.80 : 170,085.30 = 46,905.40 : x
  2. Step 2: Convert to fraction form
    113,438.80/170,085.30 = 46,905.40/x
  3. Step 3: Cross multiply
    113,438.80x = 170,085.30 × 46,905.40
  4. Step 4: Simplify right side
    113,438.80x = 7,977,919,030.62
  5. Step 5: Solve for x
    x = 7,977,919,030.62/113,438.80
  6. Step 6: Final answer
    x = 70,327.96

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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.