Home / 76,927.84-106,162.32-43,396

Finding the Fourth Proportional to 76,927.84, 106,162.32 and 43,396

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Solution

The fourth proportional to 76,927.84, 106,162.32 and 43,396 is: 59,887.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,927.84 : 106,162.32 = 43,396 : x
  2. Step 2: Convert to fraction form
    76,927.84/106,162.32 = 43,396/x
  3. Step 3: Cross multiply
    76,927.84x = 106,162.32 × 43,396
  4. Step 4: Simplify right side
    76,927.84x = 4,607,020,038.72
  5. Step 5: Solve for x
    x = 4,607,020,038.72/76,927.84
  6. Step 6: Final answer
    x = 59,887.55

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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.