Home / 88,670.40-133,054.20-36,117.60

Finding the Fourth Proportional to 88,670.40, 133,054.20 and 36,117.60

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Solution

The fourth proportional to 88,670.40, 133,054.20 and 36,117.60 is: 54,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,670.40 : 133,054.20 = 36,117.60 : x
  2. Step 2: Convert to fraction form
    88,670.40/133,054.20 = 36,117.60/x
  3. Step 3: Cross multiply
    88,670.40x = 133,054.20 × 36,117.60
  4. Step 4: Simplify right side
    88,670.40x = 4,805,598,373.92
  5. Step 5: Solve for x
    x = 4,805,598,373.92/88,670.40
  6. Step 6: Final answer
    x = 54,196.20

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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.