Home / 90,635.65-135,967.29-46,238.19

Finding the Fourth Proportional to 90,635.65, 135,967.29 and 46,238.19

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Solution

The fourth proportional to 90,635.65, 135,967.29 and 46,238.19 is: 69,364.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,635.65 : 135,967.29 = 46,238.19 : x
  2. Step 2: Convert to fraction form
    90,635.65/135,967.29 = 46,238.19/x
  3. Step 3: Cross multiply
    90,635.65x = 135,967.29 × 46,238.19
  4. Step 4: Simplify right side
    90,635.65x = 6,286,881,388.81
  5. Step 5: Solve for x
    x = 6,286,881,388.81/90,635.65
  6. Step 6: Final answer
    x = 69,364.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.