Home / 90,043.23-124,267.14-49,764.86

Finding the Fourth Proportional to 90,043.23, 124,267.14 and 49,764.86

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Solution

The fourth proportional to 90,043.23, 124,267.14 and 49,764.86 is: 68,679.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,043.23 : 124,267.14 = 49,764.86 : x
  2. Step 2: Convert to fraction form
    90,043.23/124,267.14 = 49,764.86/x
  3. Step 3: Cross multiply
    90,043.23x = 124,267.14 × 49,764.86
  4. Step 4: Simplify right side
    90,043.23x = 6,184,136,203.36
  5. Step 5: Solve for x
    x = 6,184,136,203.36/90,043.23
  6. Step 6: Final answer
    x = 68,679.64

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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.