Home / 74,736.51-111,979.95-52,510.10

Finding the Fourth Proportional to 74,736.51, 111,979.95 and 52,510.10

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Solution

The fourth proportional to 74,736.51, 111,979.95 and 52,510.10 is: 78,677.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,736.51 : 111,979.95 = 52,510.10 : x
  2. Step 2: Convert to fraction form
    74,736.51/111,979.95 = 52,510.10/x
  3. Step 3: Cross multiply
    74,736.51x = 111,979.95 × 52,510.10
  4. Step 4: Simplify right side
    74,736.51x = 5,880,077,825.64
  5. Step 5: Solve for x
    x = 5,880,077,825.64/74,736.51
  6. Step 6: Final answer
    x = 78,677.44

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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.