Home / 56,765.70-77,769.37-54,637.42

Finding the Fourth Proportional to 56,765.70, 77,769.37 and 54,637.42

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Solution

The fourth proportional to 56,765.70, 77,769.37 and 54,637.42 is: 74,853.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,765.70 : 77,769.37 = 54,637.42 : x
  2. Step 2: Convert to fraction form
    56,765.70/77,769.37 = 54,637.42/x
  3. Step 3: Cross multiply
    56,765.70x = 77,769.37 × 54,637.42
  4. Step 4: Simplify right side
    56,765.70x = 4,249,117,731.83
  5. Step 5: Solve for x
    x = 4,249,117,731.83/56,765.70
  6. Step 6: Final answer
    x = 74,853.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.