Home / 84,242.28-116,301.05-57,424.18

Finding the Fourth Proportional to 84,242.28, 116,301.05 and 57,424.18

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Solution

The fourth proportional to 84,242.28, 116,301.05 and 57,424.18 is: 79,277.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,242.28 : 116,301.05 = 57,424.18 : x
  2. Step 2: Convert to fraction form
    84,242.28/116,301.05 = 57,424.18/x
  3. Step 3: Cross multiply
    84,242.28x = 116,301.05 × 57,424.18
  4. Step 4: Simplify right side
    84,242.28x = 6,678,492,429.39
  5. Step 5: Solve for x
    x = 6,678,492,429.39/84,242.28
  6. Step 6: Final answer
    x = 79,277.20

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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.