Home / 70,153.17-96,810.99-38,321.84

Finding the Fourth Proportional to 70,153.17, 96,810.99 and 38,321.84

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Solution

The fourth proportional to 70,153.17, 96,810.99 and 38,321.84 is: 52,883.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,153.17 : 96,810.99 = 38,321.84 : x
  2. Step 2: Convert to fraction form
    70,153.17/96,810.99 = 38,321.84/x
  3. Step 3: Cross multiply
    70,153.17x = 96,810.99 × 38,321.84
  4. Step 4: Simplify right side
    70,153.17x = 3,709,974,784.97
  5. Step 5: Solve for x
    x = 3,709,974,784.97/70,153.17
  6. Step 6: Final answer
    x = 52,883.92

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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.