Home / 89,421.61-134,153.16-26,239.18

Finding the Fourth Proportional to 89,421.61, 134,153.16 and 26,239.18

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Solution

The fourth proportional to 89,421.61, 134,153.16 and 26,239.18 is: 39,364.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,421.61 : 134,153.16 = 26,239.18 : x
  2. Step 2: Convert to fraction form
    89,421.61/134,153.16 = 26,239.18/x
  3. Step 3: Cross multiply
    89,421.61x = 134,153.16 × 26,239.18
  4. Step 4: Simplify right side
    89,421.61x = 3,520,068,912.81
  5. Step 5: Solve for x
    x = 3,520,068,912.81/89,421.61
  6. Step 6: Final answer
    x = 39,364.86

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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.