Home / 70,505.16-97,297.12-38,674.13

Finding the Fourth Proportional to 70,505.16, 97,297.12 and 38,674.13

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Solution

The fourth proportional to 70,505.16, 97,297.12 and 38,674.13 is: 53,370.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,505.16 : 97,297.12 = 38,674.13 : x
  2. Step 2: Convert to fraction form
    70,505.16/97,297.12 = 38,674.13/x
  3. Step 3: Cross multiply
    70,505.16x = 97,297.12 × 38,674.13
  4. Step 4: Simplify right side
    70,505.16x = 3,762,881,359.12
  5. Step 5: Solve for x
    x = 3,762,881,359.12/70,505.16
  6. Step 6: Final answer
    x = 53,370.30

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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.