Home / 70,005.28-96,606.02-38,173.50

Finding the Fourth Proportional to 70,005.28, 96,606.02 and 38,173.50

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Solution

The fourth proportional to 70,005.28, 96,606.02 and 38,173.50 is: 52,678.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,005.28 : 96,606.02 = 38,173.50 : x
  2. Step 2: Convert to fraction form
    70,005.28/96,606.02 = 38,173.50/x
  3. Step 3: Cross multiply
    70,005.28x = 96,606.02 × 38,173.50
  4. Step 4: Simplify right side
    70,005.28x = 3,687,789,904.47
  5. Step 5: Solve for x
    x = 3,687,789,904.47/70,005.28
  6. Step 6: Final answer
    x = 52,678.74

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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.