Home / 90,089.94-124,323.41-51,857.00

Finding the Fourth Proportional to 90,089.94, 124,323.41 and 51,857.00

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Solution

The fourth proportional to 90,089.94, 124,323.41 and 51,857.00 is: 71,562.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,089.94 : 124,323.41 = 51,857.00 : x
  2. Step 2: Convert to fraction form
    90,089.94/124,323.41 = 51,857.00/x
  3. Step 3: Cross multiply
    90,089.94x = 124,323.41 × 51,857.00
  4. Step 4: Simplify right side
    90,089.94x = 6,447,038,191.47
  5. Step 5: Solve for x
    x = 6,447,038,191.47/90,089.94
  6. Step 6: Final answer
    x = 71,562.24

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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.