Home / 48,919.40-73,184.70-42,417.80

Finding the Fourth Proportional to 48,919.40, 73,184.70 and 42,417.80

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Solution

The fourth proportional to 48,919.40, 73,184.70 and 42,417.80 is: 63,458.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,919.40 : 73,184.70 = 42,417.80 : x
  2. Step 2: Convert to fraction form
    48,919.40/73,184.70 = 42,417.80/x
  3. Step 3: Cross multiply
    48,919.40x = 73,184.70 × 42,417.80
  4. Step 4: Simplify right side
    48,919.40x = 3,104,333,967.66
  5. Step 5: Solve for x
    x = 3,104,333,967.66/48,919.40
  6. Step 6: Final answer
    x = 63,458.14

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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.