Home / 88,878.15-122,653.31-53,071.29

Finding the Fourth Proportional to 88,878.15, 122,653.31 and 53,071.29

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Solution

The fourth proportional to 88,878.15, 122,653.31 and 53,071.29 is: 73,239.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,878.15 : 122,653.31 = 53,071.29 : x
  2. Step 2: Convert to fraction form
    88,878.15/122,653.31 = 53,071.29/x
  3. Step 3: Cross multiply
    88,878.15x = 122,653.31 × 53,071.29
  4. Step 4: Simplify right side
    88,878.15x = 6,509,369,119.11
  5. Step 5: Solve for x
    x = 6,509,369,119.11/88,878.15
  6. Step 6: Final answer
    x = 73,239.25

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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.