Home / 90,259.23-124,562.34-49,977.45

Finding the Fourth Proportional to 90,259.23, 124,562.34 and 49,977.45

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Solution

The fourth proportional to 90,259.23, 124,562.34 and 49,977.45 is: 68,971.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,259.23 : 124,562.34 = 49,977.45 : x
  2. Step 2: Convert to fraction form
    90,259.23/124,562.34 = 49,977.45/x
  3. Step 3: Cross multiply
    90,259.23x = 124,562.34 × 49,977.45
  4. Step 4: Simplify right side
    90,259.23x = 6,225,308,119.23
  5. Step 5: Solve for x
    x = 6,225,308,119.23/90,259.23
  6. Step 6: Final answer
    x = 68,971.43

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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.