Home / 91,853.15-126,748.59-51,557.67

Finding the Fourth Proportional to 91,853.15, 126,748.59 and 51,557.67

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Solution

The fourth proportional to 91,853.15, 126,748.59 and 51,557.67 is: 71,144.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,853.15 : 126,748.59 = 51,557.67 : x
  2. Step 2: Convert to fraction form
    91,853.15/126,748.59 = 51,557.67/x
  3. Step 3: Cross multiply
    91,853.15x = 126,748.59 × 51,557.67
  4. Step 4: Simplify right side
    91,853.15x = 6,534,861,976.19
  5. Step 5: Solve for x
    x = 6,534,861,976.19/91,853.15
  6. Step 6: Final answer
    x = 71,144.67

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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.