Home / 55,402.65-76,971.79-54,738.35

Finding the Fourth Proportional to 55,402.65, 76,971.79 and 54,738.35

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Solution

The fourth proportional to 55,402.65, 76,971.79 and 54,738.35 is: 76,048.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,402.65 : 76,971.79 = 54,738.35 : x
  2. Step 2: Convert to fraction form
    55,402.65/76,971.79 = 54,738.35/x
  3. Step 3: Cross multiply
    55,402.65x = 76,971.79 × 54,738.35
  4. Step 4: Simplify right side
    55,402.65x = 4,213,308,445.45
  5. Step 5: Solve for x
    x = 4,213,308,445.45/55,402.65
  6. Step 6: Final answer
    x = 76,048.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.