Home / 93,971.20-140,955.84-31,641.28

Finding the Fourth Proportional to 93,971.20, 140,955.84 and 31,641.28

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Solution

The fourth proportional to 93,971.20, 140,955.84 and 31,641.28 is: 47,461.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,971.20 : 140,955.84 = 31,641.28 : x
  2. Step 2: Convert to fraction form
    93,971.20/140,955.84 = 31,641.28/x
  3. Step 3: Cross multiply
    93,971.20x = 140,955.84 × 31,641.28
  4. Step 4: Simplify right side
    93,971.20x = 4,460,023,201.08
  5. Step 5: Solve for x
    x = 4,460,023,201.08/93,971.20
  6. Step 6: Final answer
    x = 47,461.60

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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.