Home / 93,142.26-139,713.44-30,812.76

Finding the Fourth Proportional to 93,142.26, 139,713.44 and 30,812.76

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Solution

The fourth proportional to 93,142.26, 139,713.44 and 30,812.76 is: 46,219.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,142.26 : 139,713.44 = 30,812.76 : x
  2. Step 2: Convert to fraction form
    93,142.26/139,713.44 = 30,812.76/x
  3. Step 3: Cross multiply
    93,142.26x = 139,713.44 × 30,812.76
  4. Step 4: Simplify right side
    93,142.26x = 4,304,956,695.49
  5. Step 5: Solve for x
    x = 4,304,956,695.49/93,142.26
  6. Step 6: Final answer
    x = 46,219.16

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1.5x scale

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.