Home / 57,852.16-86,774.56-18,437.56

Finding the Fourth Proportional to 57,852.16, 86,774.56 and 18,437.56

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Solution

The fourth proportional to 57,852.16, 86,774.56 and 18,437.56 is: 27,655.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,852.16 : 86,774.56 = 18,437.56 : x
  2. Step 2: Convert to fraction form
    57,852.16/86,774.56 = 18,437.56/x
  3. Step 3: Cross multiply
    57,852.16x = 86,774.56 × 18,437.56
  4. Step 4: Simplify right side
    57,852.16x = 1,599,911,156.47
  5. Step 5: Solve for x
    x = 1,599,911,156.47/57,852.16
  6. Step 6: Final answer
    x = 27,655.17

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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.