Home / 102,798.51-141,867.36-62,505.60

Finding the Fourth Proportional to 102,798.51, 141,867.36 and 62,505.60

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Solution

The fourth proportional to 102,798.51, 141,867.36 and 62,505.60 is: 86,261.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,798.51 : 141,867.36 = 62,505.60 : x
  2. Step 2: Convert to fraction form
    102,798.51/141,867.36 = 62,505.60/x
  3. Step 3: Cross multiply
    102,798.51x = 141,867.36 × 62,505.60
  4. Step 4: Simplify right side
    102,798.51x = 8,867,504,457.22
  5. Step 5: Solve for x
    x = 8,867,504,457.22/102,798.51
  6. Step 6: Final answer
    x = 86,261.02

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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.