Home / 88,731.79-133,018.35-32,558.86

Finding the Fourth Proportional to 88,731.79, 133,018.35 and 32,558.86

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Solution

The fourth proportional to 88,731.79, 133,018.35 and 32,558.86 is: 48,809.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,731.79 : 133,018.35 = 32,558.86 : x
  2. Step 2: Convert to fraction form
    88,731.79/133,018.35 = 32,558.86/x
  3. Step 3: Cross multiply
    88,731.79x = 133,018.35 × 32,558.86
  4. Step 4: Simplify right side
    88,731.79x = 4,330,926,062.40
  5. Step 5: Solve for x
    x = 4,330,926,062.40/88,731.79
  6. Step 6: Final answer
    x = 48,809.18

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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.