Home / 84,444.04-116,398.78-66,510.64

Finding the Fourth Proportional to 84,444.04, 116,398.78 and 66,510.64

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Solution

The fourth proportional to 84,444.04, 116,398.78 and 66,510.64 is: 91,679.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,444.04 : 116,398.78 = 66,510.64 : x
  2. Step 2: Convert to fraction form
    84,444.04/116,398.78 = 66,510.64/x
  3. Step 3: Cross multiply
    84,444.04x = 116,398.78 × 66,510.64
  4. Step 4: Simplify right side
    84,444.04x = 7,741,757,353.02
  5. Step 5: Solve for x
    x = 7,741,757,353.02/84,444.04
  6. Step 6: Final answer
    x = 91,679.14

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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.