Home / 84,734.21-127,068.95-28,559.23

Finding the Fourth Proportional to 84,734.21, 127,068.95 and 28,559.23

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Solution

The fourth proportional to 84,734.21, 127,068.95 and 28,559.23 is: 42,827.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,734.21 : 127,068.95 = 28,559.23 : x
  2. Step 2: Convert to fraction form
    84,734.21/127,068.95 = 28,559.23/x
  3. Step 3: Cross multiply
    84,734.21x = 127,068.95 × 28,559.23
  4. Step 4: Simplify right side
    84,734.21x = 3,628,990,590.77
  5. Step 5: Solve for x
    x = 3,628,990,590.77/84,734.21
  6. Step 6: Final answer
    x = 42,827.93

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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.