Home / 92,931.89-128,252.33-52,645.97

Finding the Fourth Proportional to 92,931.89, 128,252.33 and 52,645.97

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Solution

The fourth proportional to 92,931.89, 128,252.33 and 52,645.97 is: 72,655.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,931.89 : 128,252.33 = 52,645.97 : x
  2. Step 2: Convert to fraction form
    92,931.89/128,252.33 = 52,645.97/x
  3. Step 3: Cross multiply
    92,931.89x = 128,252.33 × 52,645.97
  4. Step 4: Simplify right side
    92,931.89x = 6,751,967,413.12
  5. Step 5: Solve for x
    x = 6,751,967,413.12/92,931.89
  6. Step 6: Final answer
    x = 72,655.01

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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.