Home / 75,386.34-104,033.52-47,108.34

Finding the Fourth Proportional to 75,386.34, 104,033.52 and 47,108.34

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Solution

The fourth proportional to 75,386.34, 104,033.52 and 47,108.34 is: 65,009.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,386.34 : 104,033.52 = 47,108.34 : x
  2. Step 2: Convert to fraction form
    75,386.34/104,033.52 = 47,108.34/x
  3. Step 3: Cross multiply
    75,386.34x = 104,033.52 × 47,108.34
  4. Step 4: Simplify right side
    75,386.34x = 4,900,846,431.56
  5. Step 5: Solve for x
    x = 4,900,846,431.56/75,386.34
  6. Step 6: Final answer
    x = 65,009.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.