Home / 83,808.12-115,655.64-46,084.80

Finding the Fourth Proportional to 83,808.12, 115,655.64 and 46,084.80

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Solution

The fourth proportional to 83,808.12, 115,655.64 and 46,084.80 is: 63,597.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,808.12 : 115,655.64 = 46,084.80 : x
  2. Step 2: Convert to fraction form
    83,808.12/115,655.64 = 46,084.80/x
  3. Step 3: Cross multiply
    83,808.12x = 115,655.64 × 46,084.80
  4. Step 4: Simplify right side
    83,808.12x = 5,329,967,038.27
  5. Step 5: Solve for x
    x = 5,329,967,038.27/83,808.12
  6. Step 6: Final answer
    x = 63,597.26

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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.