Home / 52,681.19-79,029.63-19,398.69

Finding the Fourth Proportional to 52,681.19, 79,029.63 and 19,398.69

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Solution

The fourth proportional to 52,681.19, 79,029.63 and 19,398.69 is: 29,100.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,681.19 : 79,029.63 = 19,398.69 : x
  2. Step 2: Convert to fraction form
    52,681.19/79,029.63 = 19,398.69/x
  3. Step 3: Cross multiply
    52,681.19x = 79,029.63 × 19,398.69
  4. Step 4: Simplify right side
    52,681.19x = 1,533,071,293.18
  5. Step 5: Solve for x
    x = 1,533,071,293.18/52,681.19
  6. Step 6: Final answer
    x = 29,100.93

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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.