Home / 70,343.06-97,064.39-40,126.58

Finding the Fourth Proportional to 70,343.06, 97,064.39 and 40,126.58

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Solution

The fourth proportional to 70,343.06, 97,064.39 and 40,126.58 is: 55,369.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,343.06 : 97,064.39 = 40,126.58 : x
  2. Step 2: Convert to fraction form
    70,343.06/97,064.39 = 40,126.58/x
  3. Step 3: Cross multiply
    70,343.06x = 97,064.39 × 40,126.58
  4. Step 4: Simplify right side
    70,343.06x = 3,894,862,052.51
  5. Step 5: Solve for x
    x = 3,894,862,052.51/70,343.06
  6. Step 6: Final answer
    x = 55,369.53

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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.