Home / 105,122.36-157,599.82-60,698.72

Finding the Fourth Proportional to 105,122.36, 157,599.82 and 60,698.72

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Solution

The fourth proportional to 105,122.36, 157,599.82 and 60,698.72 is: 90,999.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,122.36 : 157,599.82 = 60,698.72 : x
  2. Step 2: Convert to fraction form
    105,122.36/157,599.82 = 60,698.72/x
  3. Step 3: Cross multiply
    105,122.36x = 157,599.82 × 60,698.72
  4. Step 4: Simplify right side
    105,122.36x = 9,566,107,346.23
  5. Step 5: Solve for x
    x = 9,566,107,346.23/105,122.36
  6. Step 6: Final answer
    x = 90,999.74

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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.