Home / 42,883.73-64,307.36-17,565.79

Finding the Fourth Proportional to 42,883.73, 64,307.36 and 17,565.79

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Solution

The fourth proportional to 42,883.73, 64,307.36 and 17,565.79 is: 26,341.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,883.73 : 64,307.36 = 17,565.79 : x
  2. Step 2: Convert to fraction form
    42,883.73/64,307.36 = 17,565.79/x
  3. Step 3: Cross multiply
    42,883.73x = 64,307.36 × 17,565.79
  4. Step 4: Simplify right side
    42,883.73x = 1,129,609,581.21
  5. Step 5: Solve for x
    x = 1,129,609,581.21/42,883.73
  6. Step 6: Final answer
    x = 26,341.22

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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.