Home / 123,313.74-170,164.93-69,591.45

Finding the Fourth Proportional to 123,313.74, 170,164.93 and 69,591.45

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Solution

The fourth proportional to 123,313.74, 170,164.93 and 69,591.45 is: 96,031.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,313.74 : 170,164.93 = 69,591.45 : x
  2. Step 2: Convert to fraction form
    123,313.74/170,164.93 = 69,591.45/x
  3. Step 3: Cross multiply
    123,313.74x = 170,164.93 × 69,591.45
  4. Step 4: Simplify right side
    123,313.74x = 11,842,024,616.75
  5. Step 5: Solve for x
    x = 11,842,024,616.75/123,313.74
  6. Step 6: Final answer
    x = 96,031.67

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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.