Home / 90,784.83-125,284.82-53,080.95

Finding the Fourth Proportional to 90,784.83, 125,284.82 and 53,080.95

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Solution

The fourth proportional to 90,784.83, 125,284.82 and 53,080.95 is: 73,252.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,784.83 : 125,284.82 = 53,080.95 : x
  2. Step 2: Convert to fraction form
    90,784.83/125,284.82 = 53,080.95/x
  3. Step 3: Cross multiply
    90,784.83x = 125,284.82 × 53,080.95
  4. Step 4: Simplify right side
    90,784.83x = 6,650,237,000.77
  5. Step 5: Solve for x
    x = 6,650,237,000.77/90,784.83
  6. Step 6: Final answer
    x = 73,252.73

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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.