Home / 70,606.55-97,437.72-38,776.13

Finding the Fourth Proportional to 70,606.55, 97,437.72 and 38,776.13

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Solution

The fourth proportional to 70,606.55, 97,437.72 and 38,776.13 is: 53,511.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,606.55 : 97,437.72 = 38,776.13 : x
  2. Step 2: Convert to fraction form
    70,606.55/97,437.72 = 38,776.13/x
  3. Step 3: Cross multiply
    70,606.55x = 97,437.72 × 38,776.13
  4. Step 4: Simplify right side
    70,606.55x = 3,778,257,697.62
  5. Step 5: Solve for x
    x = 3,778,257,697.62/70,606.55
  6. Step 6: Final answer
    x = 53,511.43

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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.