Home / 42,507.36-63,768.78-14,045.94

Finding the Fourth Proportional to 42,507.36, 63,768.78 and 14,045.94

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Solution

The fourth proportional to 42,507.36, 63,768.78 and 14,045.94 is: 21,071.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,507.36 : 63,768.78 = 14,045.94 : x
  2. Step 2: Convert to fraction form
    42,507.36/63,768.78 = 14,045.94/x
  3. Step 3: Cross multiply
    42,507.36x = 63,768.78 × 14,045.94
  4. Step 4: Simplify right side
    42,507.36x = 895,692,457.75
  5. Step 5: Solve for x
    x = 895,692,457.75/42,507.36
  6. Step 6: Final answer
    x = 21,071.47

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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.