Home / 70,669.16-97,512.36-40,447.52

Finding the Fourth Proportional to 70,669.16, 97,512.36 and 40,447.52

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Solution

The fourth proportional to 70,669.16, 97,512.36 and 40,447.52 is: 55,811.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,669.16 : 97,512.36 = 40,447.52 : x
  2. Step 2: Convert to fraction form
    70,669.16/97,512.36 = 40,447.52/x
  3. Step 3: Cross multiply
    70,669.16x = 97,512.36 × 40,447.52
  4. Step 4: Simplify right side
    70,669.16x = 3,944,133,131.35
  5. Step 5: Solve for x
    x = 3,944,133,131.35/70,669.16
  6. Step 6: Final answer
    x = 55,811.24

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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.