Home / 71,077.10-98,085.74-39,246.32

Finding the Fourth Proportional to 71,077.10, 98,085.74 and 39,246.32

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Solution

The fourth proportional to 71,077.10, 98,085.74 and 39,246.32 is: 54,159.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,077.10 : 98,085.74 = 39,246.32 : x
  2. Step 2: Convert to fraction form
    71,077.10/98,085.74 = 39,246.32/x
  3. Step 3: Cross multiply
    71,077.10x = 98,085.74 × 39,246.32
  4. Step 4: Simplify right side
    71,077.10x = 3,849,504,388.46
  5. Step 5: Solve for x
    x = 3,849,504,388.46/71,077.10
  6. Step 6: Final answer
    x = 54,159.56

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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.