Home / 55,825.05-76,813.47-54,496.45

Finding the Fourth Proportional to 55,825.05, 76,813.47 and 54,496.45

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Solution

The fourth proportional to 55,825.05, 76,813.47 and 54,496.45 is: 74,985.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,825.05 : 76,813.47 = 54,496.45 : x
  2. Step 2: Convert to fraction form
    55,825.05/76,813.47 = 54,496.45/x
  3. Step 3: Cross multiply
    55,825.05x = 76,813.47 × 54,496.45
  4. Step 4: Simplify right side
    55,825.05x = 4,186,061,427.18
  5. Step 5: Solve for x
    x = 4,186,061,427.18/55,825.05
  6. Step 6: Final answer
    x = 74,985.36

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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.