Home / 88,693.10-133,039.65-57,200.30

Finding the Fourth Proportional to 88,693.10, 133,039.65 and 57,200.30

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Solution

The fourth proportional to 88,693.10, 133,039.65 and 57,200.30 is: 85,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,693.10 : 133,039.65 = 57,200.30 : x
  2. Step 2: Convert to fraction form
    88,693.10/133,039.65 = 57,200.30/x
  3. Step 3: Cross multiply
    88,693.10x = 133,039.65 × 57,200.30
  4. Step 4: Simplify right side
    88,693.10x = 7,609,907,891.90
  5. Step 5: Solve for x
    x = 7,609,907,891.90/88,693.10
  6. Step 6: Final answer
    x = 85,800.45

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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.