Home / 74,054.84-102,089.36-52,797.20

Finding the Fourth Proportional to 74,054.84, 102,089.36 and 52,797.20

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Solution

The fourth proportional to 74,054.84, 102,089.36 and 52,797.20 is: 72,784.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,054.84 : 102,089.36 = 52,797.20 : x
  2. Step 2: Convert to fraction form
    74,054.84/102,089.36 = 52,797.20/x
  3. Step 3: Cross multiply
    74,054.84x = 102,089.36 × 52,797.20
  4. Step 4: Simplify right side
    74,054.84x = 5,390,032,357.79
  5. Step 5: Solve for x
    x = 5,390,032,357.79/74,054.84
  6. Step 6: Final answer
    x = 72,784.34

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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.