Home / 97,317.86-134,298.66-54,876.40

Finding the Fourth Proportional to 97,317.86, 134,298.66 and 54,876.40

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Solution

The fourth proportional to 97,317.86, 134,298.66 and 54,876.40 is: 75,729.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,317.86 : 134,298.66 = 54,876.40 : x
  2. Step 2: Convert to fraction form
    97,317.86/134,298.66 = 54,876.40/x
  3. Step 3: Cross multiply
    97,317.86x = 134,298.66 × 54,876.40
  4. Step 4: Simplify right side
    97,317.86x = 7,369,826,855.66
  5. Step 5: Solve for x
    x = 7,369,826,855.66/97,317.86
  6. Step 6: Final answer
    x = 75,729.44

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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.