Home / 104,764.48-144,572.20-57,016.80

Finding the Fourth Proportional to 104,764.48, 144,572.20 and 57,016.80

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Solution

The fourth proportional to 104,764.48, 144,572.20 and 57,016.80 is: 78,681.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,764.48 : 144,572.20 = 57,016.80 : x
  2. Step 2: Convert to fraction form
    104,764.48/144,572.20 = 57,016.80/x
  3. Step 3: Cross multiply
    104,764.48x = 144,572.20 × 57,016.80
  4. Step 4: Simplify right side
    104,764.48x = 8,243,044,070.42
  5. Step 5: Solve for x
    x = 8,243,044,070.42/104,764.48
  6. Step 6: Final answer
    x = 78,681.67

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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.