Home / 83,030.58-124,546.32-20,701.08

Finding the Fourth Proportional to 83,030.58, 124,546.32 and 20,701.08

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Solution

The fourth proportional to 83,030.58, 124,546.32 and 20,701.08 is: 31,051.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,030.58 : 124,546.32 = 20,701.08 : x
  2. Step 2: Convert to fraction form
    83,030.58/124,546.32 = 20,701.08/x
  3. Step 3: Cross multiply
    83,030.58x = 124,546.32 × 20,701.08
  4. Step 4: Simplify right side
    83,030.58x = 2,578,243,334.03
  5. Step 5: Solve for x
    x = 2,578,243,334.03/83,030.58
  6. Step 6: Final answer
    x = 31,051.73

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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.