Home / 97,710.16-134,835.96-55,269.40

Finding the Fourth Proportional to 97,710.16, 134,835.96 and 55,269.40

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Solution

The fourth proportional to 97,710.16, 134,835.96 and 55,269.40 is: 76,269.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,710.16 : 134,835.96 = 55,269.40 : x
  2. Step 2: Convert to fraction form
    97,710.16/134,835.96 = 55,269.40/x
  3. Step 3: Cross multiply
    97,710.16x = 134,835.96 × 55,269.40
  4. Step 4: Simplify right side
    97,710.16x = 7,452,302,607.62
  5. Step 5: Solve for x
    x = 7,452,302,607.62/97,710.16
  6. Step 6: Final answer
    x = 76,269.48

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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.