Home / 90,817.10-125,316.32-50,528.00

Finding the Fourth Proportional to 90,817.10, 125,316.32 and 50,528.00

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Solution

The fourth proportional to 90,817.10, 125,316.32 and 50,528.00 is: 69,722.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,817.10 : 125,316.32 = 50,528.00 : x
  2. Step 2: Convert to fraction form
    90,817.10/125,316.32 = 50,528.00/x
  3. Step 3: Cross multiply
    90,817.10x = 125,316.32 × 50,528.00
  4. Step 4: Simplify right side
    90,817.10x = 6,331,983,077.61
  5. Step 5: Solve for x
    x = 6,331,983,077.61/90,817.10
  6. Step 6: Final answer
    x = 69,722.37

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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.