Home / 103,970.16-155,953.89-25,083.72

Finding the Fourth Proportional to 103,970.16, 155,953.89 and 25,083.72

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Solution

The fourth proportional to 103,970.16, 155,953.89 and 25,083.72 is: 37,625.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,970.16 : 155,953.89 = 25,083.72 : x
  2. Step 2: Convert to fraction form
    103,970.16/155,953.89 = 25,083.72/x
  3. Step 3: Cross multiply
    103,970.16x = 155,953.89 × 25,083.72
  4. Step 4: Simplify right side
    103,970.16x = 3,911,903,709.67
  5. Step 5: Solve for x
    x = 3,911,903,709.67/103,970.16
  6. Step 6: Final answer
    x = 37,625.25

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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.