Home / 70,484.12-97,269.42-38,651.12

Finding the Fourth Proportional to 70,484.12, 97,269.42 and 38,651.12

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Solution

The fourth proportional to 70,484.12, 97,269.42 and 38,651.12 is: 53,339.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,484.12 : 97,269.42 = 38,651.12 : x
  2. Step 2: Convert to fraction form
    70,484.12/97,269.42 = 38,651.12/x
  3. Step 3: Cross multiply
    70,484.12x = 97,269.42 × 38,651.12
  4. Step 4: Simplify right side
    70,484.12x = 3,759,572,024.75
  5. Step 5: Solve for x
    x = 3,759,572,024.75/70,484.12
  6. Step 6: Final answer
    x = 53,339.28

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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.