Home / 90,439.61-124,798.50-50,153.27

Finding the Fourth Proportional to 90,439.61, 124,798.50 and 50,153.27

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Solution

The fourth proportional to 90,439.61, 124,798.50 and 50,153.27 is: 69,206.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,439.61 : 124,798.50 = 50,153.27 : x
  2. Step 2: Convert to fraction form
    90,439.61/124,798.50 = 50,153.27/x
  3. Step 3: Cross multiply
    90,439.61x = 124,798.50 × 50,153.27
  4. Step 4: Simplify right side
    90,439.61x = 6,259,052,242.10
  5. Step 5: Solve for x
    x = 6,259,052,242.10/90,439.61
  6. Step 6: Final answer
    x = 69,206.98

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1.5x scale

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.