Home / 103,681.12-155,272.51-59,172.93

Finding the Fourth Proportional to 103,681.12, 155,272.51 and 59,172.93

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Solution

The fourth proportional to 103,681.12, 155,272.51 and 59,172.93 is: 88,617.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,681.12 : 155,272.51 = 59,172.93 : x
  2. Step 2: Convert to fraction form
    103,681.12/155,272.51 = 59,172.93/x
  3. Step 3: Cross multiply
    103,681.12x = 155,272.51 × 59,172.93
  4. Step 4: Simplify right side
    103,681.12x = 9,187,929,365.15
  5. Step 5: Solve for x
    x = 9,187,929,365.15/103,681.12
  6. Step 6: Final answer
    x = 88,617.19

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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.