Home / 65,222.44-89,985.38-45,072.08

Finding the Fourth Proportional to 65,222.44, 89,985.38 and 45,072.08

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Solution

The fourth proportional to 65,222.44, 89,985.38 and 45,072.08 is: 62,184.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,222.44 : 89,985.38 = 45,072.08 : x
  2. Step 2: Convert to fraction form
    65,222.44/89,985.38 = 45,072.08/x
  3. Step 3: Cross multiply
    65,222.44x = 89,985.38 × 45,072.08
  4. Step 4: Simplify right side
    65,222.44x = 4,055,828,246.19
  5. Step 5: Solve for x
    x = 4,055,828,246.19/65,222.44
  6. Step 6: Final answer
    x = 62,184.55

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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.