Home / 53,261.90-79,886.95-19,066.32

Finding the Fourth Proportional to 53,261.90, 79,886.95 and 19,066.32

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Solution

The fourth proportional to 53,261.90, 79,886.95 and 19,066.32 is: 28,597.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,261.90 : 79,886.95 = 19,066.32 : x
  2. Step 2: Convert to fraction form
    53,261.90/79,886.95 = 19,066.32/x
  3. Step 3: Cross multiply
    53,261.90x = 79,886.95 × 19,066.32
  4. Step 4: Simplify right side
    53,261.90x = 1,523,149,753.09
  5. Step 5: Solve for x
    x = 1,523,149,753.09/53,261.90
  6. Step 6: Final answer
    x = 28,597.36

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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.