Home / 66,973.15-100,459.73-52,193.13

Finding the Fourth Proportional to 66,973.15, 100,459.73 and 52,193.13

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Solution

The fourth proportional to 66,973.15, 100,459.73 and 52,193.13 is: 78,289.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,973.15 : 100,459.73 = 52,193.13 : x
  2. Step 2: Convert to fraction form
    66,973.15/100,459.73 = 52,193.13/x
  3. Step 3: Cross multiply
    66,973.15x = 100,459.73 × 52,193.13
  4. Step 4: Simplify right side
    66,973.15x = 5,243,307,747.65
  5. Step 5: Solve for x
    x = 5,243,307,747.65/66,973.15
  6. Step 6: Final answer
    x = 78,289.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.