Home / 43,201.57-64,802.35-10,369.57

Finding the Fourth Proportional to 43,201.57, 64,802.35 and 10,369.57

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Solution

The fourth proportional to 43,201.57, 64,802.35 and 10,369.57 is: 15,554.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,201.57 : 64,802.35 = 10,369.57 : x
  2. Step 2: Convert to fraction form
    43,201.57/64,802.35 = 10,369.57/x
  3. Step 3: Cross multiply
    43,201.57x = 64,802.35 × 10,369.57
  4. Step 4: Simplify right side
    43,201.57x = 671,972,128.63
  5. Step 5: Solve for x
    x = 671,972,128.63/43,201.57
  6. Step 6: Final answer
    x = 15,554.35

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1.5x scale

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.