Home / 77,070.87-115,611.98-32,692.59

Finding the Fourth Proportional to 77,070.87, 115,611.98 and 32,692.59

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Solution

The fourth proportional to 77,070.87, 115,611.98 and 32,692.59 is: 49,041.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,070.87 : 115,611.98 = 32,692.59 : x
  2. Step 2: Convert to fraction form
    77,070.87/115,611.98 = 32,692.59/x
  3. Step 3: Cross multiply
    77,070.87x = 115,611.98 × 32,692.59
  4. Step 4: Simplify right side
    77,070.87x = 3,779,654,897.77
  5. Step 5: Solve for x
    x = 3,779,654,897.77/77,070.87
  6. Step 6: Final answer
    x = 49,041.29

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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.