Home / 42,107.04-63,142.54-14,019.48

Finding the Fourth Proportional to 42,107.04, 63,142.54 and 14,019.48

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Solution

The fourth proportional to 42,107.04, 63,142.54 and 14,019.48 is: 21,023.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,107.04 : 63,142.54 = 14,019.48 : x
  2. Step 2: Convert to fraction form
    42,107.04/63,142.54 = 14,019.48/x
  3. Step 3: Cross multiply
    42,107.04x = 63,142.54 × 14,019.48
  4. Step 4: Simplify right side
    42,107.04x = 885,225,541.63
  5. Step 5: Solve for x
    x = 885,225,541.63/42,107.04
  6. Step 6: Final answer
    x = 21,023.22

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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.