Home / 110,739.48-152,814.78-62,991.78

Finding the Fourth Proportional to 110,739.48, 152,814.78 and 62,991.78

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Solution

The fourth proportional to 110,739.48, 152,814.78 and 62,991.78 is: 86,925.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,739.48 : 152,814.78 = 62,991.78 : x
  2. Step 2: Convert to fraction form
    110,739.48/152,814.78 = 62,991.78/x
  3. Step 3: Cross multiply
    110,739.48x = 152,814.78 × 62,991.78
  4. Step 4: Simplify right side
    110,739.48x = 9,626,075,002.51
  5. Step 5: Solve for x
    x = 9,626,075,002.51/110,739.48
  6. Step 6: Final answer
    x = 86,925.41

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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.