Home / 77,812.52-107,231.46-56,558.12

Finding the Fourth Proportional to 77,812.52, 107,231.46 and 56,558.12

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Solution

The fourth proportional to 77,812.52, 107,231.46 and 56,558.12 is: 77,941.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,812.52 : 107,231.46 = 56,558.12 : x
  2. Step 2: Convert to fraction form
    77,812.52/107,231.46 = 56,558.12/x
  3. Step 3: Cross multiply
    77,812.52x = 107,231.46 × 56,558.12
  4. Step 4: Simplify right side
    77,812.52x = 6,064,809,782.46
  5. Step 5: Solve for x
    x = 6,064,809,782.46/77,812.52
  6. Step 6: Final answer
    x = 77,941.31

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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.