Home / 103,673.02-143,068.75-58,961.02

Finding the Fourth Proportional to 103,673.02, 143,068.75 and 58,961.02

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Solution

The fourth proportional to 103,673.02, 143,068.75 and 58,961.02 is: 81,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,673.02 : 143,068.75 = 58,961.02 : x
  2. Step 2: Convert to fraction form
    103,673.02/143,068.75 = 58,961.02/x
  3. Step 3: Cross multiply
    103,673.02x = 143,068.75 × 58,961.02
  4. Step 4: Simplify right side
    103,673.02x = 8,435,479,430.13
  5. Step 5: Solve for x
    x = 8,435,479,430.13/103,673.02
  6. Step 6: Final answer
    x = 81,366.20

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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.