Home / 84,636.47-116,760.75-54,416.18

Finding the Fourth Proportional to 84,636.47, 116,760.75 and 54,416.18

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Solution

The fourth proportional to 84,636.47, 116,760.75 and 54,416.18 is: 75,070.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,636.47 : 116,760.75 = 54,416.18 : x
  2. Step 2: Convert to fraction form
    84,636.47/116,760.75 = 54,416.18/x
  3. Step 3: Cross multiply
    84,636.47x = 116,760.75 × 54,416.18
  4. Step 4: Simplify right side
    84,636.47x = 6,353,673,988.94
  5. Step 5: Solve for x
    x = 6,353,673,988.94/84,636.47
  6. Step 6: Final answer
    x = 75,070.17

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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.