Home / 55,666.08-76,822.28-31,800.50

Finding the Fourth Proportional to 55,666.08, 76,822.28 and 31,800.50

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Solution

The fourth proportional to 55,666.08, 76,822.28 and 31,800.50 is: 43,886.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,666.08 : 76,822.28 = 31,800.50 : x
  2. Step 2: Convert to fraction form
    55,666.08/76,822.28 = 31,800.50/x
  3. Step 3: Cross multiply
    55,666.08x = 76,822.28 × 31,800.50
  4. Step 4: Simplify right side
    55,666.08x = 2,442,986,915.14
  5. Step 5: Solve for x
    x = 2,442,986,915.14/55,666.08
  6. Step 6: Final answer
    x = 43,886.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.