Home / 90,623.84-135,935.80-34,450.68

Finding the Fourth Proportional to 90,623.84, 135,935.80 and 34,450.68

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Solution

The fourth proportional to 90,623.84, 135,935.80 and 34,450.68 is: 51,676.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,623.84 : 135,935.80 = 34,450.68 : x
  2. Step 2: Convert to fraction form
    90,623.84/135,935.80 = 34,450.68/x
  3. Step 3: Cross multiply
    90,623.84x = 135,935.80 × 34,450.68
  4. Step 4: Simplify right side
    90,623.84x = 4,683,080,746.34
  5. Step 5: Solve for x
    x = 4,683,080,746.34/90,623.84
  6. Step 6: Final answer
    x = 51,676.04

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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.