Home / 105,957.86-146,180.40-60,611.64

Finding the Fourth Proportional to 105,957.86, 146,180.40 and 60,611.64

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Solution

The fourth proportional to 105,957.86, 146,180.40 and 60,611.64 is: 83,620.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,957.86 : 146,180.40 = 60,611.64 : x
  2. Step 2: Convert to fraction form
    105,957.86/146,180.40 = 60,611.64/x
  3. Step 3: Cross multiply
    105,957.86x = 146,180.40 × 60,611.64
  4. Step 4: Simplify right side
    105,957.86x = 8,860,233,779.86
  5. Step 5: Solve for x
    x = 8,860,233,779.86/105,957.86
  6. Step 6: Final answer
    x = 83,620.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.