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Finding the Fourth Proportional to 70,775.52, 106,130.47 and 26,390.35

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Solution

The fourth proportional to 70,775.52, 106,130.47 and 26,390.35 is: 39,573.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,775.52 : 106,130.47 = 26,390.35 : x
  2. Step 2: Convert to fraction form
    70,775.52/106,130.47 = 26,390.35/x
  3. Step 3: Cross multiply
    70,775.52x = 106,130.47 × 26,390.35
  4. Step 4: Simplify right side
    70,775.52x = 2,800,820,117.01
  5. Step 5: Solve for x
    x = 2,800,820,117.01/70,775.52
  6. Step 6: Final answer
    x = 39,573.29

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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.