Home / 103,625.16-143,002.73-58,913.16

Finding the Fourth Proportional to 103,625.16, 143,002.73 and 58,913.16

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Solution

The fourth proportional to 103,625.16, 143,002.73 and 58,913.16 is: 81,300.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,625.16 : 143,002.73 = 58,913.16 : x
  2. Step 2: Convert to fraction form
    103,625.16/143,002.73 = 58,913.16/x
  3. Step 3: Cross multiply
    103,625.16x = 143,002.73 × 58,913.16
  4. Step 4: Simplify right side
    103,625.16x = 8,424,742,323.95
  5. Step 5: Solve for x
    x = 8,424,742,323.95/103,625.16
  6. Step 6: Final answer
    x = 81,300.17

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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.