Home / 58,905.05-81,338.02-54,631.22

Finding the Fourth Proportional to 58,905.05, 81,338.02 and 54,631.22

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Solution

The fourth proportional to 58,905.05, 81,338.02 and 54,631.22 is: 75,436.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,905.05 : 81,338.02 = 54,631.22 : x
  2. Step 2: Convert to fraction form
    58,905.05/81,338.02 = 54,631.22/x
  3. Step 3: Cross multiply
    58,905.05x = 81,338.02 × 54,631.22
  4. Step 4: Simplify right side
    58,905.05x = 4,443,594,991.83
  5. Step 5: Solve for x
    x = 4,443,594,991.83/58,905.05
  6. Step 6: Final answer
    x = 75,436.57

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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.