Home / 77,381.04-116,003.52-30,666.72

Finding the Fourth Proportional to 77,381.04, 116,003.52 and 30,666.72

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Solution

The fourth proportional to 77,381.04, 116,003.52 and 30,666.72 is: 45,973.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,381.04 : 116,003.52 = 30,666.72 : x
  2. Step 2: Convert to fraction form
    77,381.04/116,003.52 = 30,666.72/x
  3. Step 3: Cross multiply
    77,381.04x = 116,003.52 × 30,666.72
  4. Step 4: Simplify right side
    77,381.04x = 3,557,447,466.85
  5. Step 5: Solve for x
    x = 3,557,447,466.85/77,381.04
  6. Step 6: Final answer
    x = 45,973.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.