Home / 89,920.12-134,880.04-24,256.12

Finding the Fourth Proportional to 89,920.12, 134,880.04 and 24,256.12

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Solution

The fourth proportional to 89,920.12, 134,880.04 and 24,256.12 is: 36,384.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,920.12 : 134,880.04 = 24,256.12 : x
  2. Step 2: Convert to fraction form
    89,920.12/134,880.04 = 24,256.12/x
  3. Step 3: Cross multiply
    89,920.12x = 134,880.04 × 24,256.12
  4. Step 4: Simplify right side
    89,920.12x = 3,271,666,435.84
  5. Step 5: Solve for x
    x = 3,271,666,435.84/89,920.12
  6. Step 6: Final answer
    x = 36,384.14

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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.