Home / 74,987.84-112,518.41-32,862.17

Finding the Fourth Proportional to 74,987.84, 112,518.41 and 32,862.17

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Solution

The fourth proportional to 74,987.84, 112,518.41 and 32,862.17 is: 49,309.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,987.84 : 112,518.41 = 32,862.17 : x
  2. Step 2: Convert to fraction form
    74,987.84/112,518.41 = 32,862.17/x
  3. Step 3: Cross multiply
    74,987.84x = 112,518.41 × 32,862.17
  4. Step 4: Simplify right side
    74,987.84x = 3,697,599,117.55
  5. Step 5: Solve for x
    x = 3,697,599,117.55/74,987.84
  6. Step 6: Final answer
    x = 49,309.32

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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.