Home / 70,660.17-97,511.58-38,829.60

Finding the Fourth Proportional to 70,660.17, 97,511.58 and 38,829.60

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Solution

The fourth proportional to 70,660.17, 97,511.58 and 38,829.60 is: 53,585.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,660.17 : 97,511.58 = 38,829.60 : x
  2. Step 2: Convert to fraction form
    70,660.17/97,511.58 = 38,829.60/x
  3. Step 3: Cross multiply
    70,660.17x = 97,511.58 × 38,829.60
  4. Step 4: Simplify right side
    70,660.17x = 3,786,335,646.77
  5. Step 5: Solve for x
    x = 3,786,335,646.77/70,660.17
  6. Step 6: Final answer
    x = 53,585.15

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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.