Home / 70,409.46-97,164.44-38,143.35

Finding the Fourth Proportional to 70,409.46, 97,164.44 and 38,143.35

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Solution

The fourth proportional to 70,409.46, 97,164.44 and 38,143.35 is: 52,637.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,409.46 : 97,164.44 = 38,143.35 : x
  2. Step 2: Convert to fraction form
    70,409.46/97,164.44 = 38,143.35/x
  3. Step 3: Cross multiply
    70,409.46x = 97,164.44 × 38,143.35
  4. Step 4: Simplify right side
    70,409.46x = 3,706,177,194.79
  5. Step 5: Solve for x
    x = 3,706,177,194.79/70,409.46
  6. Step 6: Final answer
    x = 52,637.49

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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.