Home / 77,481.42-106,927.86-60,685.26

Finding the Fourth Proportional to 77,481.42, 106,927.86 and 60,685.26

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Solution

The fourth proportional to 77,481.42, 106,927.86 and 60,685.26 is: 83,748.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,481.42 : 106,927.86 = 60,685.26 : x
  2. Step 2: Convert to fraction form
    77,481.42/106,927.86 = 60,685.26/x
  3. Step 3: Cross multiply
    77,481.42x = 106,927.86 × 60,685.26
  4. Step 4: Simplify right side
    77,481.42x = 6,488,944,985.34
  5. Step 5: Solve for x
    x = 6,488,944,985.34/77,481.42
  6. Step 6: Final answer
    x = 83,748.40

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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.