Home / 81,918.48-113,024.88-46,106.40

Finding the Fourth Proportional to 81,918.48, 113,024.88 and 46,106.40

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Solution

The fourth proportional to 81,918.48, 113,024.88 and 46,106.40 is: 63,614.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,918.48 : 113,024.88 = 46,106.40 : x
  2. Step 2: Convert to fraction form
    81,918.48/113,024.88 = 46,106.40/x
  3. Step 3: Cross multiply
    81,918.48x = 113,024.88 × 46,106.40
  4. Step 4: Simplify right side
    81,918.48x = 5,211,170,327.23
  5. Step 5: Solve for x
    x = 5,211,170,327.23/81,918.48
  6. Step 6: Final answer
    x = 63,614.10

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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.