Home / 98,466.75-135,883.40-56,027.61

Finding the Fourth Proportional to 98,466.75, 135,883.40 and 56,027.61

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Solution

The fourth proportional to 98,466.75, 135,883.40 and 56,027.61 is: 77,317.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,466.75 : 135,883.40 = 56,027.61 : x
  2. Step 2: Convert to fraction form
    98,466.75/135,883.40 = 56,027.61/x
  3. Step 3: Cross multiply
    98,466.75x = 135,883.40 × 56,027.61
  4. Step 4: Simplify right side
    98,466.75x = 7,613,222,140.67
  5. Step 5: Solve for x
    x = 7,613,222,140.67/98,466.75
  6. Step 6: Final answer
    x = 77,317.69

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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.