Home / 42,883.04-64,333.80-13,300.28

Finding the Fourth Proportional to 42,883.04, 64,333.80 and 13,300.28

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Solution

The fourth proportional to 42,883.04, 64,333.80 and 13,300.28 is: 19,953.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,883.04 : 64,333.80 = 13,300.28 : x
  2. Step 2: Convert to fraction form
    42,883.04/64,333.80 = 13,300.28/x
  3. Step 3: Cross multiply
    42,883.04x = 64,333.80 × 13,300.28
  4. Step 4: Simplify right side
    42,883.04x = 855,657,553.46
  5. Step 5: Solve for x
    x = 855,657,553.46/42,883.04
  6. Step 6: Final answer
    x = 19,953.29

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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.