Home / 77,500.36-106,937.75-45,664.93

Finding the Fourth Proportional to 77,500.36, 106,937.75 and 45,664.93

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Solution

The fourth proportional to 77,500.36, 106,937.75 and 45,664.93 is: 63,010.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,500.36 : 106,937.75 = 45,664.93 : x
  2. Step 2: Convert to fraction form
    77,500.36/106,937.75 = 45,664.93/x
  3. Step 3: Cross multiply
    77,500.36x = 106,937.75 × 45,664.93
  4. Step 4: Simplify right side
    77,500.36x = 4,883,304,714.93
  5. Step 5: Solve for x
    x = 4,883,304,714.93/77,500.36
  6. Step 6: Final answer
    x = 63,010.09

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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.