Home / 70,001.61-96,604.21-38,172.25

Finding the Fourth Proportional to 70,001.61, 96,604.21 and 38,172.25

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Solution

The fourth proportional to 70,001.61, 96,604.21 and 38,172.25 is: 52,678.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,001.61 : 96,604.21 = 38,172.25 : x
  2. Step 2: Convert to fraction form
    70,001.61/96,604.21 = 38,172.25/x
  3. Step 3: Cross multiply
    70,001.61x = 96,604.21 × 38,172.25
  4. Step 4: Simplify right side
    70,001.61x = 3,687,600,055.17
  5. Step 5: Solve for x
    x = 3,687,600,055.17/70,001.61
  6. Step 6: Final answer
    x = 52,678.79

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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.