Home / 88,032-121,484.36-50,306.16

Finding the Fourth Proportional to 88,032, 121,484.36 and 50,306.16

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Solution

The fourth proportional to 88,032, 121,484.36 and 50,306.16 is: 69,422.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,032 : 121,484.36 = 50,306.16 : x
  2. Step 2: Convert to fraction form
    88,032/121,484.36 = 50,306.16/x
  3. Step 3: Cross multiply
    88,032x = 121,484.36 × 50,306.16
  4. Step 4: Simplify right side
    88,032x = 6,111,411,651.66
  5. Step 5: Solve for x
    x = 6,111,411,651.66/88,032
  6. Step 6: Final answer
    x = 69,422.62

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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.