Home / 90,916.08-125,461.32-50,628.96

Finding the Fourth Proportional to 90,916.08, 125,461.32 and 50,628.96

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Solution

The fourth proportional to 90,916.08, 125,461.32 and 50,628.96 is: 69,866.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,916.08 : 125,461.32 = 50,628.96 : x
  2. Step 2: Convert to fraction form
    90,916.08/125,461.32 = 50,628.96/x
  3. Step 3: Cross multiply
    90,916.08x = 125,461.32 × 50,628.96
  4. Step 4: Simplify right side
    90,916.08x = 6,351,976,151.83
  5. Step 5: Solve for x
    x = 6,351,976,151.83/90,916.08
  6. Step 6: Final answer
    x = 69,866.37

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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.