Home / 57,966.83-86,962.71-17,985.00

Finding the Fourth Proportional to 57,966.83, 86,962.71 and 17,985.00

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Solution

The fourth proportional to 57,966.83, 86,962.71 and 17,985.00 is: 26,981.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,966.83 : 86,962.71 = 17,985.00 : x
  2. Step 2: Convert to fraction form
    57,966.83/86,962.71 = 17,985.00/x
  3. Step 3: Cross multiply
    57,966.83x = 86,962.71 × 17,985.00
  4. Step 4: Simplify right side
    57,966.83x = 1,564,024,366.03
  5. Step 5: Solve for x
    x = 1,564,024,366.03/57,966.83
  6. Step 6: Final answer
    x = 26,981.37

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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.