Home / 70,621.84-97,464.90-40,401.16

Finding the Fourth Proportional to 70,621.84, 97,464.90 and 40,401.16

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Solution

The fourth proportional to 70,621.84, 97,464.90 and 40,401.16 is: 55,757.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,621.84 : 97,464.90 = 40,401.16 : x
  2. Step 2: Convert to fraction form
    70,621.84/97,464.90 = 40,401.16/x
  3. Step 3: Cross multiply
    70,621.84x = 97,464.90 × 40,401.16
  4. Step 4: Simplify right side
    70,621.84x = 3,937,695,019.28
  5. Step 5: Solve for x
    x = 3,937,695,019.28/70,621.84
  6. Step 6: Final answer
    x = 55,757.47

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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.