Home / 70,172.04-96,837.30-38,340.96

Finding the Fourth Proportional to 70,172.04, 96,837.30 and 38,340.96

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Solution

The fourth proportional to 70,172.04, 96,837.30 and 38,340.96 is: 52,910.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,172.04 : 96,837.30 = 38,340.96 : x
  2. Step 2: Convert to fraction form
    70,172.04/96,837.30 = 38,340.96/x
  3. Step 3: Cross multiply
    70,172.04x = 96,837.30 × 38,340.96
  4. Step 4: Simplify right side
    70,172.04x = 3,712,835,045.81
  5. Step 5: Solve for x
    x = 3,712,835,045.81/70,172.04
  6. Step 6: Final answer
    x = 52,910.46

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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.