Home / 73,848.57-101,909.70-42,016.80

Finding the Fourth Proportional to 73,848.57, 101,909.70 and 42,016.80

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Solution

The fourth proportional to 73,848.57, 101,909.70 and 42,016.80 is: 57,982.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,848.57 : 101,909.70 = 42,016.80 : x
  2. Step 2: Convert to fraction form
    73,848.57/101,909.70 = 42,016.80/x
  3. Step 3: Cross multiply
    73,848.57x = 101,909.70 × 42,016.80
  4. Step 4: Simplify right side
    73,848.57x = 4,281,919,482.96
  5. Step 5: Solve for x
    x = 4,281,919,482.96/73,848.57
  6. Step 6: Final answer
    x = 57,982.43

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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.