Home / 90,295.86-124,606.45-50,009.50

Finding the Fourth Proportional to 90,295.86, 124,606.45 and 50,009.50

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Solution

The fourth proportional to 90,295.86, 124,606.45 and 50,009.50 is: 69,012.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,295.86 : 124,606.45 = 50,009.50 : x
  2. Step 2: Convert to fraction form
    90,295.86/124,606.45 = 50,009.50/x
  3. Step 3: Cross multiply
    90,295.86x = 124,606.45 × 50,009.50
  4. Step 4: Simplify right side
    90,295.86x = 6,231,506,479.54
  5. Step 5: Solve for x
    x = 6,231,506,479.54/90,295.86
  6. Step 6: Final answer
    x = 69,012.09

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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.