Home / 91,288.98-125,957.21-53,025.80

Finding the Fourth Proportional to 91,288.98, 125,957.21 and 53,025.80

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Solution

The fourth proportional to 91,288.98, 125,957.21 and 53,025.80 is: 73,163.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,288.98 : 125,957.21 = 53,025.80 : x
  2. Step 2: Convert to fraction form
    91,288.98/125,957.21 = 53,025.80/x
  3. Step 3: Cross multiply
    91,288.98x = 125,957.21 × 53,025.80
  4. Step 4: Simplify right side
    91,288.98x = 6,678,980,931.10
  5. Step 5: Solve for x
    x = 6,678,980,931.10/91,288.98
  6. Step 6: Final answer
    x = 73,163.06

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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.