Home / 103,645.04-155,218.43-59,136.86

Finding the Fourth Proportional to 103,645.04, 155,218.43 and 59,136.86

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Solution

The fourth proportional to 103,645.04, 155,218.43 and 59,136.86 is: 88,563.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,645.04 : 155,218.43 = 59,136.86 : x
  2. Step 2: Convert to fraction form
    103,645.04/155,218.43 = 59,136.86/x
  3. Step 3: Cross multiply
    103,645.04x = 155,218.43 × 59,136.86
  4. Step 4: Simplify right side
    103,645.04x = 9,179,130,331.02
  5. Step 5: Solve for x
    x = 9,179,130,331.02/103,645.04
  6. Step 6: Final answer
    x = 88,563.14

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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.