Home / 51,557.04-77,266.44-42,433.20

Finding the Fourth Proportional to 51,557.04, 77,266.44 and 42,433.20

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Solution

The fourth proportional to 51,557.04, 77,266.44 and 42,433.20 is: 63,592.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,557.04 : 77,266.44 = 42,433.20 : x
  2. Step 2: Convert to fraction form
    51,557.04/77,266.44 = 42,433.20/x
  3. Step 3: Cross multiply
    51,557.04x = 77,266.44 × 42,433.20
  4. Step 4: Simplify right side
    51,557.04x = 3,278,662,301.81
  5. Step 5: Solve for x
    x = 3,278,662,301.81/51,557.04
  6. Step 6: Final answer
    x = 63,592.91

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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.