Home / 70,950.16-106,397.52-30,981.34

Finding the Fourth Proportional to 70,950.16, 106,397.52 and 30,981.34

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Solution

The fourth proportional to 70,950.16, 106,397.52 and 30,981.34 is: 46,459.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,950.16 : 106,397.52 = 30,981.34 : x
  2. Step 2: Convert to fraction form
    70,950.16/106,397.52 = 30,981.34/x
  3. Step 3: Cross multiply
    70,950.16x = 106,397.52 × 30,981.34
  4. Step 4: Simplify right side
    70,950.16x = 3,296,337,742.28
  5. Step 5: Solve for x
    x = 3,296,337,742.28/70,950.16
  6. Step 6: Final answer
    x = 46,459.91

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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.