Home / 103,596.06-155,293.29-66,038.94

Finding the Fourth Proportional to 103,596.06, 155,293.29 and 66,038.94

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Solution

The fourth proportional to 103,596.06, 155,293.29 and 66,038.94 is: 98,994.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,596.06 : 155,293.29 = 66,038.94 : x
  2. Step 2: Convert to fraction form
    103,596.06/155,293.29 = 66,038.94/x
  3. Step 3: Cross multiply
    103,596.06x = 155,293.29 × 66,038.94
  4. Step 4: Simplify right side
    103,596.06x = 10,255,404,260.71
  5. Step 5: Solve for x
    x = 10,255,404,260.71/103,596.06
  6. Step 6: Final answer
    x = 98,994.15

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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.