Home / 77,330.75-106,714.62-45,501.71

Finding the Fourth Proportional to 77,330.75, 106,714.62 and 45,501.71

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Solution

The fourth proportional to 77,330.75, 106,714.62 and 45,501.71 is: 62,791.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,330.75 : 106,714.62 = 45,501.71 : x
  2. Step 2: Convert to fraction form
    77,330.75/106,714.62 = 45,501.71/x
  3. Step 3: Cross multiply
    77,330.75x = 106,714.62 × 45,501.71
  4. Step 4: Simplify right side
    77,330.75x = 4,855,697,692.00
  5. Step 5: Solve for x
    x = 4,855,697,692.00/77,330.75
  6. Step 6: Final answer
    x = 62,791.29

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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.