Home / 88,742.40-133,134.77-29,578.58

Finding the Fourth Proportional to 88,742.40, 133,134.77 and 29,578.58

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Solution

The fourth proportional to 88,742.40, 133,134.77 and 29,578.58 is: 44,374.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,742.40 : 133,134.77 = 29,578.58 : x
  2. Step 2: Convert to fraction form
    88,742.40/133,134.77 = 29,578.58/x
  3. Step 3: Cross multiply
    88,742.40x = 133,134.77 × 29,578.58
  4. Step 4: Simplify right side
    88,742.40x = 3,937,937,445.23
  5. Step 5: Solve for x
    x = 3,937,937,445.23/88,742.40
  6. Step 6: Final answer
    x = 44,374.93

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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.