Home / 58,601.73-87,810.28-45,307.20

Finding the Fourth Proportional to 58,601.73, 87,810.28 and 45,307.20

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Solution

The fourth proportional to 58,601.73, 87,810.28 and 45,307.20 is: 67,889.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,601.73 : 87,810.28 = 45,307.20 : x
  2. Step 2: Convert to fraction form
    58,601.73/87,810.28 = 45,307.20/x
  3. Step 3: Cross multiply
    58,601.73x = 87,810.28 × 45,307.20
  4. Step 4: Simplify right side
    58,601.73x = 3,978,437,640.10
  5. Step 5: Solve for x
    x = 3,978,437,640.10/58,601.73
  6. Step 6: Final answer
    x = 67,889.43

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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.