Home / 52,619.88-72,615.69-28,746.95

Finding the Fourth Proportional to 52,619.88, 72,615.69 and 28,746.95

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Solution

The fourth proportional to 52,619.88, 72,615.69 and 28,746.95 is: 39,670.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,619.88 : 72,615.69 = 28,746.95 : x
  2. Step 2: Convert to fraction form
    52,619.88/72,615.69 = 28,746.95/x
  3. Step 3: Cross multiply
    52,619.88x = 72,615.69 × 28,746.95
  4. Step 4: Simplify right side
    52,619.88x = 2,087,479,655.03
  5. Step 5: Solve for x
    x = 2,087,479,655.03/52,619.88
  6. Step 6: Final answer
    x = 39,670.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.