Home / 65,029.30-89,750.64-47,117.77

Finding the Fourth Proportional to 65,029.30, 89,750.64 and 47,117.77

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Solution

The fourth proportional to 65,029.30, 89,750.64 and 47,117.77 is: 65,029.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,029.30 : 89,750.64 = 47,117.77 : x
  2. Step 2: Convert to fraction form
    65,029.30/89,750.64 = 47,117.77/x
  3. Step 3: Cross multiply
    65,029.30x = 89,750.64 × 47,117.77
  4. Step 4: Simplify right side
    65,029.30x = 4,228,850,012.87
  5. Step 5: Solve for x
    x = 4,228,850,012.87/65,029.30
  6. Step 6: Final answer
    x = 65,029.92

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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.