Home / 114,440.05-157,895.59-66,038.61

Finding the Fourth Proportional to 114,440.05, 157,895.59 and 66,038.61

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Solution

The fourth proportional to 114,440.05, 157,895.59 and 66,038.61 is: 91,115.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,440.05 : 157,895.59 = 66,038.61 : x
  2. Step 2: Convert to fraction form
    114,440.05/157,895.59 = 66,038.61/x
  3. Step 3: Cross multiply
    114,440.05x = 157,895.59 × 66,038.61
  4. Step 4: Simplify right side
    114,440.05x = 10,427,205,288.73
  5. Step 5: Solve for x
    x = 10,427,205,288.73/114,440.05
  6. Step 6: Final answer
    x = 91,115.00

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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.