Home / 77,518.01-106,991.53-47,296.86

Finding the Fourth Proportional to 77,518.01, 106,991.53 and 47,296.86

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Solution

The fourth proportional to 77,518.01, 106,991.53 and 47,296.86 is: 65,279.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,518.01 : 106,991.53 = 47,296.86 : x
  2. Step 2: Convert to fraction form
    77,518.01/106,991.53 = 47,296.86/x
  3. Step 3: Cross multiply
    77,518.01x = 106,991.53 × 47,296.86
  4. Step 4: Simplify right side
    77,518.01x = 5,060,363,764.01
  5. Step 5: Solve for x
    x = 5,060,363,764.01/77,518.01
  6. Step 6: Final answer
    x = 65,279.84

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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.