Home / 48,923.40-73,190.70-42,421.80

Finding the Fourth Proportional to 48,923.40, 73,190.70 and 42,421.80

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Solution

The fourth proportional to 48,923.40, 73,190.70 and 42,421.80 is: 63,464.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,923.40 : 73,190.70 = 42,421.80 : x
  2. Step 2: Convert to fraction form
    48,923.40/73,190.70 = 42,421.80/x
  3. Step 3: Cross multiply
    48,923.40x = 73,190.70 × 42,421.80
  4. Step 4: Simplify right side
    48,923.40x = 3,104,881,237.26
  5. Step 5: Solve for x
    x = 3,104,881,237.26/48,923.40
  6. Step 6: Final answer
    x = 63,464.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.