Home / 90,106.35-124,342.16-50,362.35

Finding the Fourth Proportional to 90,106.35, 124,342.16 and 50,362.35

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Solution

The fourth proportional to 90,106.35, 124,342.16 and 50,362.35 is: 69,497.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,106.35 : 124,342.16 = 50,362.35 : x
  2. Step 2: Convert to fraction form
    90,106.35/124,342.16 = 50,362.35/x
  3. Step 3: Cross multiply
    90,106.35x = 124,342.16 × 50,362.35
  4. Step 4: Simplify right side
    90,106.35x = 6,262,163,129.86
  5. Step 5: Solve for x
    x = 6,262,163,129.86/90,106.35
  6. Step 6: Final answer
    x = 69,497.47

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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.