Home / 88,678.40-133,066.20-36,125.60

Finding the Fourth Proportional to 88,678.40, 133,066.20 and 36,125.60

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Solution

The fourth proportional to 88,678.40, 133,066.20 and 36,125.60 is: 54,208.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,678.40 : 133,066.20 = 36,125.60 : x
  2. Step 2: Convert to fraction form
    88,678.40/133,066.20 = 36,125.60/x
  3. Step 3: Cross multiply
    88,678.40x = 133,066.20 × 36,125.60
  4. Step 4: Simplify right side
    88,678.40x = 4,807,096,314.72
  5. Step 5: Solve for x
    x = 4,807,096,314.72/88,678.40
  6. Step 6: Final answer
    x = 54,208.20

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1.5x scale

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.