Home / 77,862.36-107,450.03-42,052.38

Finding the Fourth Proportional to 77,862.36, 107,450.03 and 42,052.38

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Solution

The fourth proportional to 77,862.36, 107,450.03 and 42,052.38 is: 58,032.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,862.36 : 107,450.03 = 42,052.38 : x
  2. Step 2: Convert to fraction form
    77,862.36/107,450.03 = 42,052.38/x
  3. Step 3: Cross multiply
    77,862.36x = 107,450.03 × 42,052.38
  4. Step 4: Simplify right side
    77,862.36x = 4,518,529,562.63
  5. Step 5: Solve for x
    x = 4,518,529,562.63/77,862.36
  6. Step 6: Final answer
    x = 58,032.27

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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.