Home / 70,370.06-97,086.56-40,133.63

Finding the Fourth Proportional to 70,370.06, 97,086.56 and 40,133.63

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Solution

The fourth proportional to 70,370.06, 97,086.56 and 40,133.63 is: 55,370.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,370.06 : 97,086.56 = 40,133.63 : x
  2. Step 2: Convert to fraction form
    70,370.06/97,086.56 = 40,133.63/x
  3. Step 3: Cross multiply
    70,370.06x = 97,086.56 × 40,133.63
  4. Step 4: Simplify right side
    70,370.06x = 3,896,436,344.81
  5. Step 5: Solve for x
    x = 3,896,436,344.81/70,370.06
  6. Step 6: Final answer
    x = 55,370.66

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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.