Home / 94,042.03-129,778.01-53,756.67

Finding the Fourth Proportional to 94,042.03, 129,778.01 and 53,756.67

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Solution

The fourth proportional to 94,042.03, 129,778.01 and 53,756.67 is: 74,184.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,042.03 : 129,778.01 = 53,756.67 : x
  2. Step 2: Convert to fraction form
    94,042.03/129,778.01 = 53,756.67/x
  3. Step 3: Cross multiply
    94,042.03x = 129,778.01 × 53,756.67
  4. Step 4: Simplify right side
    94,042.03x = 6,976,433,656.83
  5. Step 5: Solve for x
    x = 6,976,433,656.83/94,042.03
  6. Step 6: Final answer
    x = 74,184.21

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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.