Home / 103,653.08-143,048.51-58,335.43

Finding the Fourth Proportional to 103,653.08, 143,048.51 and 58,335.43

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Solution

The fourth proportional to 103,653.08, 143,048.51 and 58,335.43 is: 80,506.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,653.08 : 143,048.51 = 58,335.43 : x
  2. Step 2: Convert to fraction form
    103,653.08/143,048.51 = 58,335.43/x
  3. Step 3: Cross multiply
    103,653.08x = 143,048.51 × 58,335.43
  4. Step 4: Simplify right side
    103,653.08x = 8,344,796,341.71
  5. Step 5: Solve for x
    x = 8,344,796,341.71/103,653.08
  6. Step 6: Final answer
    x = 80,506.98

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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.