Home / 77,539.52-116,151.44-71,081.12

Finding the Fourth Proportional to 77,539.52, 116,151.44 and 71,081.12

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Solution

The fourth proportional to 77,539.52, 116,151.44 and 71,081.12 is: 106,476.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,539.52 : 116,151.44 = 71,081.12 : x
  2. Step 2: Convert to fraction form
    77,539.52/116,151.44 = 71,081.12/x
  3. Step 3: Cross multiply
    77,539.52x = 116,151.44 × 71,081.12
  4. Step 4: Simplify right side
    77,539.52x = 8,256,174,444.81
  5. Step 5: Solve for x
    x = 8,256,174,444.81/77,539.52
  6. Step 6: Final answer
    x = 106,476.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.