Home / 76,925.23-106,162.14-42,940.32

Finding the Fourth Proportional to 76,925.23, 106,162.14 and 42,940.32

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Solution

The fourth proportional to 76,925.23, 106,162.14 and 42,940.32 is: 59,260.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,925.23 : 106,162.14 = 42,940.32 : x
  2. Step 2: Convert to fraction form
    76,925.23/106,162.14 = 42,940.32/x
  3. Step 3: Cross multiply
    76,925.23x = 106,162.14 × 42,940.32
  4. Step 4: Simplify right side
    76,925.23x = 4,558,636,382.03
  5. Step 5: Solve for x
    x = 4,558,636,382.03/76,925.23
  6. Step 6: Final answer
    x = 59,260.62

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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.