Home / 84,119.15-116,097.02-53,938.55

Finding the Fourth Proportional to 84,119.15, 116,097.02 and 53,938.55

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Solution

The fourth proportional to 84,119.15, 116,097.02 and 53,938.55 is: 74,443.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,119.15 : 116,097.02 = 53,938.55 : x
  2. Step 2: Convert to fraction form
    84,119.15/116,097.02 = 53,938.55/x
  3. Step 3: Cross multiply
    84,119.15x = 116,097.02 × 53,938.55
  4. Step 4: Simplify right side
    84,119.15x = 6,262,105,343.21
  5. Step 5: Solve for x
    x = 6,262,105,343.21/84,119.15
  6. Step 6: Final answer
    x = 74,443.28

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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.