Home / 70,102.04-96,740.52-38,270.87

Finding the Fourth Proportional to 70,102.04, 96,740.52 and 38,270.87

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Solution

The fourth proportional to 70,102.04, 96,740.52 and 38,270.87 is: 52,813.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,102.04 : 96,740.52 = 38,270.87 : x
  2. Step 2: Convert to fraction form
    70,102.04/96,740.52 = 38,270.87/x
  3. Step 3: Cross multiply
    70,102.04x = 96,740.52 × 38,270.87
  4. Step 4: Simplify right side
    70,102.04x = 3,702,343,380.95
  5. Step 5: Solve for x
    x = 3,702,343,380.95/70,102.04
  6. Step 6: Final answer
    x = 52,813.64

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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.