Home / 70,288.05-96,999.93-38,456.94

Finding the Fourth Proportional to 70,288.05, 96,999.93 and 38,456.94

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Solution

The fourth proportional to 70,288.05, 96,999.93 and 38,456.94 is: 53,071.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,288.05 : 96,999.93 = 38,456.94 : x
  2. Step 2: Convert to fraction form
    70,288.05/96,999.93 = 38,456.94/x
  3. Step 3: Cross multiply
    70,288.05x = 96,999.93 × 38,456.94
  4. Step 4: Simplify right side
    70,288.05x = 3,730,320,851.76
  5. Step 5: Solve for x
    x = 3,730,320,851.76/70,288.05
  6. Step 6: Final answer
    x = 53,071.90

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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.