Home / 70,844.39-97,768.28-40,638.23

Finding the Fourth Proportional to 70,844.39, 97,768.28 and 40,638.23

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Solution

The fourth proportional to 70,844.39, 97,768.28 and 40,638.23 is: 56,082.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,844.39 : 97,768.28 = 40,638.23 : x
  2. Step 2: Convert to fraction form
    70,844.39/97,768.28 = 40,638.23/x
  3. Step 3: Cross multiply
    70,844.39x = 97,768.28 × 40,638.23
  4. Step 4: Simplify right side
    70,844.39x = 3,973,129,849.34
  5. Step 5: Solve for x
    x = 3,973,129,849.34/70,844.39
  6. Step 6: Final answer
    x = 56,082.49

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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.