Home / 77,105.04-115,636.80-26,503.44

Finding the Fourth Proportional to 77,105.04, 115,636.80 and 26,503.44

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Solution

The fourth proportional to 77,105.04, 115,636.80 and 26,503.44 is: 39,748.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,105.04 : 115,636.80 = 26,503.44 : x
  2. Step 2: Convert to fraction form
    77,105.04/115,636.80 = 26,503.44/x
  3. Step 3: Cross multiply
    77,105.04x = 115,636.80 × 26,503.44
  4. Step 4: Simplify right side
    77,105.04x = 3,064,772,990.59
  5. Step 5: Solve for x
    x = 3,064,772,990.59/77,105.04
  6. Step 6: Final answer
    x = 39,748.02

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1.5x scale

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.