Home / 93,972.66-140,981.16-31,643.16

Finding the Fourth Proportional to 93,972.66, 140,981.16 and 31,643.16

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Solution

The fourth proportional to 93,972.66, 140,981.16 and 31,643.16 is: 47,472.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,972.66 : 140,981.16 = 31,643.16 : x
  2. Step 2: Convert to fraction form
    93,972.66/140,981.16 = 31,643.16/x
  3. Step 3: Cross multiply
    93,972.66x = 140,981.16 × 31,643.16
  4. Step 4: Simplify right side
    93,972.66x = 4,461,088,814.86
  5. Step 5: Solve for x
    x = 4,461,088,814.86/93,972.66
  6. Step 6: Final answer
    x = 47,472.20

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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.