Home / 74,810.05-112,213.86-35,395.45

Finding the Fourth Proportional to 74,810.05, 112,213.86 and 35,395.45

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Solution

The fourth proportional to 74,810.05, 112,213.86 and 35,395.45 is: 53,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,810.05 : 112,213.86 = 35,395.45 : x
  2. Step 2: Convert to fraction form
    74,810.05/112,213.86 = 35,395.45/x
  3. Step 3: Cross multiply
    74,810.05x = 112,213.86 × 35,395.45
  4. Step 4: Simplify right side
    74,810.05x = 3,971,859,657.67
  5. Step 5: Solve for x
    x = 3,971,859,657.67/74,810.05
  6. Step 6: Final answer
    x = 53,092.60

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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.