Home / 74,862.86-103,187.63-53,066.43

Finding the Fourth Proportional to 74,862.86, 103,187.63 and 53,066.43

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Solution

The fourth proportional to 74,862.86, 103,187.63 and 53,066.43 is: 73,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,862.86 : 103,187.63 = 53,066.43 : x
  2. Step 2: Convert to fraction form
    74,862.86/103,187.63 = 53,066.43/x
  3. Step 3: Cross multiply
    74,862.86x = 103,187.63 × 53,066.43
  4. Step 4: Simplify right side
    74,862.86x = 5,475,798,878.93
  5. Step 5: Solve for x
    x = 5,475,798,878.93/74,862.86
  6. Step 6: Final answer
    x = 73,144.40

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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.