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Finding the Fourth Proportional to 84,441.71, 116,549.03 and 55,767.06

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Solution

The fourth proportional to 84,441.71, 116,549.03 and 55,767.06 is: 76,971.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,441.71 : 116,549.03 = 55,767.06 : x
  2. Step 2: Convert to fraction form
    84,441.71/116,549.03 = 55,767.06/x
  3. Step 3: Cross multiply
    84,441.71x = 116,549.03 × 55,767.06
  4. Step 4: Simplify right side
    84,441.71x = 6,499,596,470.12
  5. Step 5: Solve for x
    x = 6,499,596,470.12/84,441.71
  6. Step 6: Final answer
    x = 76,971.40

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1.5x scale

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.