Home / 88,833.40-133,077.30-53,668.60

Finding the Fourth Proportional to 88,833.40, 133,077.30 and 53,668.60

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Solution

The fourth proportional to 88,833.40, 133,077.30 and 53,668.60 is: 80,398.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,833.40 : 133,077.30 = 53,668.60 : x
  2. Step 2: Convert to fraction form
    88,833.40/133,077.30 = 53,668.60/x
  3. Step 3: Cross multiply
    88,833.40x = 133,077.30 × 53,668.60
  4. Step 4: Simplify right side
    88,833.40x = 7,142,072,382.78
  5. Step 5: Solve for x
    x = 7,142,072,382.78/88,833.40
  6. Step 6: Final answer
    x = 80,398.50

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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.