Home / 65,848.95-90,910.70-43,227.51

Finding the Fourth Proportional to 65,848.95, 90,910.70 and 43,227.51

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Solution

The fourth proportional to 65,848.95, 90,910.70 and 43,227.51 is: 59,679.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,848.95 : 90,910.70 = 43,227.51 : x
  2. Step 2: Convert to fraction form
    65,848.95/90,910.70 = 43,227.51/x
  3. Step 3: Cross multiply
    65,848.95x = 90,910.70 × 43,227.51
  4. Step 4: Simplify right side
    65,848.95x = 3,929,843,193.36
  5. Step 5: Solve for x
    x = 3,929,843,193.36/65,848.95
  6. Step 6: Final answer
    x = 59,679.66

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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.