Home / 97,697.04-146,317.68-71,336.40

Finding the Fourth Proportional to 97,697.04, 146,317.68 and 71,336.40

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Solution

The fourth proportional to 97,697.04, 146,317.68 and 71,336.40 is: 106,838.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,697.04 : 146,317.68 = 71,336.40 : x
  2. Step 2: Convert to fraction form
    97,697.04/146,317.68 = 71,336.40/x
  3. Step 3: Cross multiply
    97,697.04x = 146,317.68 × 71,336.40
  4. Step 4: Simplify right side
    97,697.04x = 10,437,776,547.55
  5. Step 5: Solve for x
    x = 10,437,776,547.55/97,697.04
  6. Step 6: Final answer
    x = 106,838.21

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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.