Home / 65,726.09-90,595.74-51,360.96

Finding the Fourth Proportional to 65,726.09, 90,595.74 and 51,360.96

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Solution

The fourth proportional to 65,726.09, 90,595.74 and 51,360.96 is: 70,795.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,726.09 : 90,595.74 = 51,360.96 : x
  2. Step 2: Convert to fraction form
    65,726.09/90,595.74 = 51,360.96/x
  3. Step 3: Cross multiply
    65,726.09x = 90,595.74 × 51,360.96
  4. Step 4: Simplify right side
    65,726.09x = 4,653,084,178.31
  5. Step 5: Solve for x
    x = 4,653,084,178.31/65,726.09
  6. Step 6: Final answer
    x = 70,795.09

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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.