Home / 103,661.12-155,242.51-59,152.93

Finding the Fourth Proportional to 103,661.12, 155,242.51 and 59,152.93

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Solution

The fourth proportional to 103,661.12, 155,242.51 and 59,152.93 is: 88,587.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,661.12 : 155,242.51 = 59,152.93 : x
  2. Step 2: Convert to fraction form
    103,661.12/155,242.51 = 59,152.93/x
  3. Step 3: Cross multiply
    103,661.12x = 155,242.51 × 59,152.93
  4. Step 4: Simplify right side
    103,661.12x = 9,183,049,327.05
  5. Step 5: Solve for x
    x = 9,183,049,327.05/103,661.12
  6. Step 6: Final answer
    x = 88,587.21

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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.