Home / 52,975.25-79,431.74-21,386.35

Finding the Fourth Proportional to 52,975.25, 79,431.74 and 21,386.35

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Solution

The fourth proportional to 52,975.25, 79,431.74 and 21,386.35 is: 32,066.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,975.25 : 79,431.74 = 21,386.35 : x
  2. Step 2: Convert to fraction form
    52,975.25/79,431.74 = 21,386.35/x
  3. Step 3: Cross multiply
    52,975.25x = 79,431.74 × 21,386.35
  4. Step 4: Simplify right side
    52,975.25x = 1,698,754,618.50
  5. Step 5: Solve for x
    x = 1,698,754,618.50/52,975.25
  6. Step 6: Final answer
    x = 32,066.95

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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.