Home / 88,664.42-122,356.91-56,833.40

Finding the Fourth Proportional to 88,664.42, 122,356.91 and 56,833.40

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Solution

The fourth proportional to 88,664.42, 122,356.91 and 56,833.40 is: 78,430.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,664.42 : 122,356.91 = 56,833.40 : x
  2. Step 2: Convert to fraction form
    88,664.42/122,356.91 = 56,833.40/x
  3. Step 3: Cross multiply
    88,664.42x = 122,356.91 × 56,833.40
  4. Step 4: Simplify right side
    88,664.42x = 6,953,958,968.51
  5. Step 5: Solve for x
    x = 6,953,958,968.51/88,664.42
  6. Step 6: Final answer
    x = 78,430.09

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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.