Home / 81,692.03-112,762.58-51,527.63

Finding the Fourth Proportional to 81,692.03, 112,762.58 and 51,527.63

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Solution

The fourth proportional to 81,692.03, 112,762.58 and 51,527.63 is: 71,125.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,692.03 : 112,762.58 = 51,527.63 : x
  2. Step 2: Convert to fraction form
    81,692.03/112,762.58 = 51,527.63/x
  3. Step 3: Cross multiply
    81,692.03x = 112,762.58 × 51,527.63
  4. Step 4: Simplify right side
    81,692.03x = 5,810,387,678.63
  5. Step 5: Solve for x
    x = 5,810,387,678.63/81,692.03
  6. Step 6: Final answer
    x = 71,125.52

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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.