Home / 83,672.07-115,466.14-45,946.32

Finding the Fourth Proportional to 83,672.07, 115,466.14 and 45,946.32

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Solution

The fourth proportional to 83,672.07, 115,466.14 and 45,946.32 is: 63,405.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,672.07 : 115,466.14 = 45,946.32 : x
  2. Step 2: Convert to fraction form
    83,672.07/115,466.14 = 45,946.32/x
  3. Step 3: Cross multiply
    83,672.07x = 115,466.14 × 45,946.32
  4. Step 4: Simplify right side
    83,672.07x = 5,305,243,410.54
  5. Step 5: Solve for x
    x = 5,305,243,410.54/83,672.07
  6. Step 6: Final answer
    x = 63,405.19

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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.