Home / 90,586.74-125,005.52-50,303.06

Finding the Fourth Proportional to 90,586.74, 125,005.52 and 50,303.06

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Solution

The fourth proportional to 90,586.74, 125,005.52 and 50,303.06 is: 69,415.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,586.74 : 125,005.52 = 50,303.06 : x
  2. Step 2: Convert to fraction form
    90,586.74/125,005.52 = 50,303.06/x
  3. Step 3: Cross multiply
    90,586.74x = 125,005.52 × 50,303.06
  4. Step 4: Simplify right side
    90,586.74x = 6,288,159,296.35
  5. Step 5: Solve for x
    x = 6,288,159,296.35/90,586.74
  6. Step 6: Final answer
    x = 69,415.89

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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.