Home / 52,290.95-72,172.07-31,066.11

Finding the Fourth Proportional to 52,290.95, 72,172.07 and 31,066.11

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Solution

The fourth proportional to 52,290.95, 72,172.07 and 31,066.11 is: 42,877.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,290.95 : 72,172.07 = 31,066.11 : x
  2. Step 2: Convert to fraction form
    52,290.95/72,172.07 = 31,066.11/x
  3. Step 3: Cross multiply
    52,290.95x = 72,172.07 × 31,066.11
  4. Step 4: Simplify right side
    52,290.95x = 2,242,105,310.22
  5. Step 5: Solve for x
    x = 2,242,105,310.22/52,290.95
  6. Step 6: Final answer
    x = 42,877.51

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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.