Home / 58,476.58-87,742.95-45,918.34

Finding the Fourth Proportional to 58,476.58, 87,742.95 and 45,918.34

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Solution

The fourth proportional to 58,476.58, 87,742.95 and 45,918.34 is: 68,899.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,476.58 : 87,742.95 = 45,918.34 : x
  2. Step 2: Convert to fraction form
    58,476.58/87,742.95 = 45,918.34/x
  3. Step 3: Cross multiply
    58,476.58x = 87,742.95 × 45,918.34
  4. Step 4: Simplify right side
    58,476.58x = 4,029,010,610.70
  5. Step 5: Solve for x
    x = 4,029,010,610.70/58,476.58
  6. Step 6: Final answer
    x = 68,899.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.