Home / 77,910.22-107,538.16-46,090.18

Finding the Fourth Proportional to 77,910.22, 107,538.16 and 46,090.18

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Solution

The fourth proportional to 77,910.22, 107,538.16 and 46,090.18 is: 63,617.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,910.22 : 107,538.16 = 46,090.18 : x
  2. Step 2: Convert to fraction form
    77,910.22/107,538.16 = 46,090.18/x
  3. Step 3: Cross multiply
    77,910.22x = 107,538.16 × 46,090.18
  4. Step 4: Simplify right side
    77,910.22x = 4,956,453,151.27
  5. Step 5: Solve for x
    x = 4,956,453,151.27/77,910.22
  6. Step 6: Final answer
    x = 63,617.50

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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.