Home / 91,856.15-126,752.73-51,560.67

Finding the Fourth Proportional to 91,856.15, 126,752.73 and 51,560.67

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Solution

The fourth proportional to 91,856.15, 126,752.73 and 51,560.67 is: 71,148.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,856.15 : 126,752.73 = 51,560.67 : x
  2. Step 2: Convert to fraction form
    91,856.15/126,752.73 = 51,560.67/x
  3. Step 3: Cross multiply
    91,856.15x = 126,752.73 × 51,560.67
  4. Step 4: Simplify right side
    91,856.15x = 6,535,455,683.13
  5. Step 5: Solve for x
    x = 6,535,455,683.13/91,856.15
  6. Step 6: Final answer
    x = 71,148.81

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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.