Home / 70,346.10-97,080.24-40,136.34

Finding the Fourth Proportional to 70,346.10, 97,080.24 and 40,136.34

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Solution

The fourth proportional to 70,346.10, 97,080.24 and 40,136.34 is: 55,389.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,346.10 : 97,080.24 = 40,136.34 : x
  2. Step 2: Convert to fraction form
    70,346.10/97,080.24 = 40,136.34/x
  3. Step 3: Cross multiply
    70,346.10x = 97,080.24 × 40,136.34
  4. Step 4: Simplify right side
    70,346.10x = 3,896,445,519.92
  5. Step 5: Solve for x
    x = 3,896,445,519.92/70,346.10
  6. Step 6: Final answer
    x = 55,389.65

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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.