Home / 76,834.17-106,037.51-42,838.07

Finding the Fourth Proportional to 76,834.17, 106,037.51 and 42,838.07

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Solution

The fourth proportional to 76,834.17, 106,037.51 and 42,838.07 is: 59,120.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,834.17 : 106,037.51 = 42,838.07 : x
  2. Step 2: Convert to fraction form
    76,834.17/106,037.51 = 42,838.07/x
  3. Step 3: Cross multiply
    76,834.17x = 106,037.51 × 42,838.07
  4. Step 4: Simplify right side
    76,834.17x = 4,542,441,531.63
  5. Step 5: Solve for x
    x = 4,542,441,531.63/76,834.17
  6. Step 6: Final answer
    x = 59,120.07

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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.