Home / 81,885.47-113,000.64-46,075.46

Finding the Fourth Proportional to 81,885.47, 113,000.64 and 46,075.46

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Solution

The fourth proportional to 81,885.47, 113,000.64 and 46,075.46 is: 63,583.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,885.47 : 113,000.64 = 46,075.46 : x
  2. Step 2: Convert to fraction form
    81,885.47/113,000.64 = 46,075.46/x
  3. Step 3: Cross multiply
    81,885.47x = 113,000.64 × 46,075.46
  4. Step 4: Simplify right side
    81,885.47x = 5,206,556,468.29
  5. Step 5: Solve for x
    x = 5,206,556,468.29/81,885.47
  6. Step 6: Final answer
    x = 63,583.40

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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.