Home / 65,721.96-90,601.90-46,826.28

Finding the Fourth Proportional to 65,721.96, 90,601.90 and 46,826.28

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Solution

The fourth proportional to 65,721.96, 90,601.90 and 46,826.28 is: 64,553.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,721.96 : 90,601.90 = 46,826.28 : x
  2. Step 2: Convert to fraction form
    65,721.96/90,601.90 = 46,826.28/x
  3. Step 3: Cross multiply
    65,721.96x = 90,601.90 × 46,826.28
  4. Step 4: Simplify right side
    65,721.96x = 4,242,549,937.93
  5. Step 5: Solve for x
    x = 4,242,549,937.93/65,721.96
  6. Step 6: Final answer
    x = 64,553.00

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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.