Home / 88,948.42-133,438.80-42,200.86

Finding the Fourth Proportional to 88,948.42, 133,438.80 and 42,200.86

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Solution

The fourth proportional to 88,948.42, 133,438.80 and 42,200.86 is: 63,308.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,948.42 : 133,438.80 = 42,200.86 : x
  2. Step 2: Convert to fraction form
    88,948.42/133,438.80 = 42,200.86/x
  3. Step 3: Cross multiply
    88,948.42x = 133,438.80 × 42,200.86
  4. Step 4: Simplify right side
    88,948.42x = 5,631,232,117.37
  5. Step 5: Solve for x
    x = 5,631,232,117.37/88,948.42
  6. Step 6: Final answer
    x = 63,308.96

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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.