Home / 84,415.84-116,486.03-46,689.28

Finding the Fourth Proportional to 84,415.84, 116,486.03 and 46,689.28

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Solution

The fourth proportional to 84,415.84, 116,486.03 and 46,689.28 is: 64,426.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,415.84 : 116,486.03 = 46,689.28 : x
  2. Step 2: Convert to fraction form
    84,415.84/116,486.03 = 46,689.28/x
  3. Step 3: Cross multiply
    84,415.84x = 116,486.03 × 46,689.28
  4. Step 4: Simplify right side
    84,415.84x = 5,438,648,870.76
  5. Step 5: Solve for x
    x = 5,438,648,870.76/84,415.84
  6. Step 6: Final answer
    x = 64,426.88

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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.