Home / 70,253.36-96,948.28-38,422.16

Finding the Fourth Proportional to 70,253.36, 96,948.28 and 38,422.16

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Solution

The fourth proportional to 70,253.36, 96,948.28 and 38,422.16 is: 53,021.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,253.36 : 96,948.28 = 38,422.16 : x
  2. Step 2: Convert to fraction form
    70,253.36/96,948.28 = 38,422.16/x
  3. Step 3: Cross multiply
    70,253.36x = 96,948.28 × 38,422.16
  4. Step 4: Simplify right side
    70,253.36x = 3,724,962,325.88
  5. Step 5: Solve for x
    x = 3,724,962,325.88/70,253.36
  6. Step 6: Final answer
    x = 53,021.84

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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.