Home / 70,889.27-97,831.55-39,058.16

Finding the Fourth Proportional to 70,889.27, 97,831.55 and 39,058.16

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Solution

The fourth proportional to 70,889.27, 97,831.55 and 39,058.16 is: 53,902.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,889.27 : 97,831.55 = 39,058.16 : x
  2. Step 2: Convert to fraction form
    70,889.27/97,831.55 = 39,058.16/x
  3. Step 3: Cross multiply
    70,889.27x = 97,831.55 × 39,058.16
  4. Step 4: Simplify right side
    70,889.27x = 3,821,120,137.66
  5. Step 5: Solve for x
    x = 3,821,120,137.66/70,889.27
  6. Step 6: Final answer
    x = 53,902.66

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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.