Home / 113,505.84-170,235.51-42,415.35

Finding the Fourth Proportional to 113,505.84, 170,235.51 and 42,415.35

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Solution

The fourth proportional to 113,505.84, 170,235.51 and 42,415.35 is: 63,614.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,505.84 : 170,235.51 = 42,415.35 : x
  2. Step 2: Convert to fraction form
    113,505.84/170,235.51 = 42,415.35/x
  3. Step 3: Cross multiply
    113,505.84x = 170,235.51 × 42,415.35
  4. Step 4: Simplify right side
    113,505.84x = 7,220,599,197.85
  5. Step 5: Solve for x
    x = 7,220,599,197.85/113,505.84
  6. Step 6: Final answer
    x = 63,614.34

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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.