Home / 88,842.72-122,608.32-51,116.16

Finding the Fourth Proportional to 88,842.72, 122,608.32 and 51,116.16

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Solution

The fourth proportional to 88,842.72, 122,608.32 and 51,116.16 is: 70,543.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,842.72 : 122,608.32 = 51,116.16 : x
  2. Step 2: Convert to fraction form
    88,842.72/122,608.32 = 51,116.16/x
  3. Step 3: Cross multiply
    88,842.72x = 122,608.32 × 51,116.16
  4. Step 4: Simplify right side
    88,842.72x = 6,267,266,502.45
  5. Step 5: Solve for x
    x = 6,267,266,502.45/88,842.72
  6. Step 6: Final answer
    x = 70,543.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.