Home / 114,031.73-157,388.77-66,312.61

Finding the Fourth Proportional to 114,031.73, 157,388.77 and 66,312.61

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Solution

The fourth proportional to 114,031.73, 157,388.77 and 66,312.61 is: 91,525.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,031.73 : 157,388.77 = 66,312.61 : x
  2. Step 2: Convert to fraction form
    114,031.73/157,388.77 = 66,312.61/x
  3. Step 3: Cross multiply
    114,031.73x = 157,388.77 × 66,312.61
  4. Step 4: Simplify right side
    114,031.73x = 10,436,859,812.81
  5. Step 5: Solve for x
    x = 10,436,859,812.81/114,031.73
  6. Step 6: Final answer
    x = 91,525.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.