Home / 65,237.58-90,019.44-38,370.29

Finding the Fourth Proportional to 65,237.58, 90,019.44 and 38,370.29

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Solution

The fourth proportional to 65,237.58, 90,019.44 and 38,370.29 is: 52,946.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,237.58 : 90,019.44 = 38,370.29 : x
  2. Step 2: Convert to fraction form
    65,237.58/90,019.44 = 38,370.29/x
  3. Step 3: Cross multiply
    65,237.58x = 90,019.44 × 38,370.29
  4. Step 4: Simplify right side
    65,237.58x = 3,454,071,568.34
  5. Step 5: Solve for x
    x = 3,454,071,568.34/65,237.58
  6. Step 6: Final answer
    x = 52,946.04

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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.