Home / 103,933.17-143,417.70-58,618.22

Finding the Fourth Proportional to 103,933.17, 143,417.70 and 58,618.22

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Solution

The fourth proportional to 103,933.17, 143,417.70 and 58,618.22 is: 80,887.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,933.17 : 143,417.70 = 58,618.22 : x
  2. Step 2: Convert to fraction form
    103,933.17/143,417.70 = 58,618.22/x
  3. Step 3: Cross multiply
    103,933.17x = 143,417.70 × 58,618.22
  4. Step 4: Simplify right side
    103,933.17x = 8,406,889,573.41
  5. Step 5: Solve for x
    x = 8,406,889,573.41/103,933.17
  6. Step 6: Final answer
    x = 80,887.45

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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.