Home / 61,887.18-92,830.71-21,935.43

Finding the Fourth Proportional to 61,887.18, 92,830.71 and 21,935.43

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Solution

The fourth proportional to 61,887.18, 92,830.71 and 21,935.43 is: 32,903.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,887.18 : 92,830.71 = 21,935.43 : x
  2. Step 2: Convert to fraction form
    61,887.18/92,830.71 = 21,935.43/x
  3. Step 3: Cross multiply
    61,887.18x = 92,830.71 × 21,935.43
  4. Step 4: Simplify right side
    61,887.18x = 2,036,281,541.06
  5. Step 5: Solve for x
    x = 2,036,281,541.06/61,887.18
  6. Step 6: Final answer
    x = 32,903.12

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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.