Home / 77,625.65-107,134.73-43,636.93

Finding the Fourth Proportional to 77,625.65, 107,134.73 and 43,636.93

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Solution

The fourth proportional to 77,625.65, 107,134.73 and 43,636.93 is: 60,225.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,625.65 : 107,134.73 = 43,636.93 : x
  2. Step 2: Convert to fraction form
    77,625.65/107,134.73 = 43,636.93/x
  3. Step 3: Cross multiply
    77,625.65x = 107,134.73 × 43,636.93
  4. Step 4: Simplify right side
    77,625.65x = 4,675,030,822.67
  5. Step 5: Solve for x
    x = 4,675,030,822.67/77,625.65
  6. Step 6: Final answer
    x = 60,225.34

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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.