Home / 70,077.07-96,705.66-38,245.69

Finding the Fourth Proportional to 70,077.07, 96,705.66 and 38,245.69

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Solution

The fourth proportional to 70,077.07, 96,705.66 and 38,245.69 is: 52,778.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,077.07 : 96,705.66 = 38,245.69 : x
  2. Step 2: Convert to fraction form
    70,077.07/96,705.66 = 38,245.69/x
  3. Step 3: Cross multiply
    70,077.07x = 96,705.66 × 38,245.69
  4. Step 4: Simplify right side
    70,077.07x = 3,698,574,693.61
  5. Step 5: Solve for x
    x = 3,698,574,693.61/70,077.07
  6. Step 6: Final answer
    x = 52,778.67

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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.