Home / 65,950.29-90,970.97-53,868.33

Finding the Fourth Proportional to 65,950.29, 90,970.97 and 53,868.33

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Solution

The fourth proportional to 65,950.29, 90,970.97 and 53,868.33 is: 74,305.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,950.29 : 90,970.97 = 53,868.33 : x
  2. Step 2: Convert to fraction form
    65,950.29/90,970.97 = 53,868.33/x
  3. Step 3: Cross multiply
    65,950.29x = 90,970.97 × 53,868.33
  4. Step 4: Simplify right side
    65,950.29x = 4,900,453,963.04
  5. Step 5: Solve for x
    x = 4,900,453,963.04/65,950.29
  6. Step 6: Final answer
    x = 74,305.27

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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.