Home / 86,022.72-118,713.60-48,296.16

Finding the Fourth Proportional to 86,022.72, 118,713.60 and 48,296.16

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Solution

The fourth proportional to 86,022.72, 118,713.60 and 48,296.16 is: 66,649.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,022.72 : 118,713.60 = 48,296.16 : x
  2. Step 2: Convert to fraction form
    86,022.72/118,713.60 = 48,296.16/x
  3. Step 3: Cross multiply
    86,022.72x = 118,713.60 × 48,296.16
  4. Step 4: Simplify right side
    86,022.72x = 5,733,411,019.78
  5. Step 5: Solve for x
    x = 5,733,411,019.78/86,022.72
  6. Step 6: Final answer
    x = 66,649.96

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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.