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Finding the Fourth Proportional to 55,592.33, 76,729.01 and 51,108.98

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Solution

The fourth proportional to 55,592.33, 76,729.01 and 51,108.98 is: 70,541.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,592.33 : 76,729.01 = 51,108.98 : x
  2. Step 2: Convert to fraction form
    55,592.33/76,729.01 = 51,108.98/x
  3. Step 3: Cross multiply
    55,592.33x = 76,729.01 × 51,108.98
  4. Step 4: Simplify right side
    55,592.33x = 3,921,541,437.51
  5. Step 5: Solve for x
    x = 3,921,541,437.51/55,592.33
  6. Step 6: Final answer
    x = 70,541.05

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1.5x scale

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.