Home / 71,143.31-98,194.14-40,946.07

Finding the Fourth Proportional to 71,143.31, 98,194.14 and 40,946.07

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Solution

The fourth proportional to 71,143.31, 98,194.14 and 40,946.07 is: 56,515.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,143.31 : 98,194.14 = 40,946.07 : x
  2. Step 2: Convert to fraction form
    71,143.31/98,194.14 = 40,946.07/x
  3. Step 3: Cross multiply
    71,143.31x = 98,194.14 × 40,946.07
  4. Step 4: Simplify right side
    71,143.31x = 4,020,664,498.26
  5. Step 5: Solve for x
    x = 4,020,664,498.26/71,143.31
  6. Step 6: Final answer
    x = 56,515.00

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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.