Home / 93,987.06-140,929.71-43,331.38

Finding the Fourth Proportional to 93,987.06, 140,929.71 and 43,331.38

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Solution

The fourth proportional to 93,987.06, 140,929.71 and 43,331.38 is: 64,973.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,987.06 : 140,929.71 = 43,331.38 : x
  2. Step 2: Convert to fraction form
    93,987.06/140,929.71 = 43,331.38/x
  3. Step 3: Cross multiply
    93,987.06x = 140,929.71 × 43,331.38
  4. Step 4: Simplify right side
    93,987.06x = 6,106,678,817.30
  5. Step 5: Solve for x
    x = 6,106,678,817.30/93,987.06
  6. Step 6: Final answer
    x = 64,973.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.