Home / 74,972.34-103,461.93-43,140.60

Finding the Fourth Proportional to 74,972.34, 103,461.93 and 43,140.60

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Solution

The fourth proportional to 74,972.34, 103,461.93 and 43,140.60 is: 59,534.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,972.34 : 103,461.93 = 43,140.60 : x
  2. Step 2: Convert to fraction form
    74,972.34/103,461.93 = 43,140.60/x
  3. Step 3: Cross multiply
    74,972.34x = 103,461.93 × 43,140.60
  4. Step 4: Simplify right side
    74,972.34x = 4,463,409,737.36
  5. Step 5: Solve for x
    x = 4,463,409,737.36/74,972.34
  6. Step 6: Final answer
    x = 59,534.09

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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.