Home / 52,164.69-78,246.93-18,877.02

Finding the Fourth Proportional to 52,164.69, 78,246.93 and 18,877.02

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Solution

The fourth proportional to 52,164.69, 78,246.93 and 18,877.02 is: 28,315.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,164.69 : 78,246.93 = 18,877.02 : x
  2. Step 2: Convert to fraction form
    52,164.69/78,246.93 = 18,877.02/x
  3. Step 3: Cross multiply
    52,164.69x = 78,246.93 × 18,877.02
  4. Step 4: Simplify right side
    52,164.69x = 1,477,068,862.55
  5. Step 5: Solve for x
    x = 1,477,068,862.55/52,164.69
  6. Step 6: Final answer
    x = 28,315.49

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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.