Home / 77,973.05-107,603.45-43,048.83

Finding the Fourth Proportional to 77,973.05, 107,603.45 and 43,048.83

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Solution

The fourth proportional to 77,973.05, 107,603.45 and 43,048.83 is: 59,407.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,973.05 : 107,603.45 = 43,048.83 : x
  2. Step 2: Convert to fraction form
    77,973.05/107,603.45 = 43,048.83/x
  3. Step 3: Cross multiply
    77,973.05x = 107,603.45 × 43,048.83
  4. Step 4: Simplify right side
    77,973.05x = 4,632,202,381.03
  5. Step 5: Solve for x
    x = 4,632,202,381.03/77,973.05
  6. Step 6: Final answer
    x = 59,407.73

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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.