Home / 59,680.40-89,520.60-28,576.40

Finding the Fourth Proportional to 59,680.40, 89,520.60 and 28,576.40

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Solution

The fourth proportional to 59,680.40, 89,520.60 and 28,576.40 is: 42,864.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,680.40 : 89,520.60 = 28,576.40 : x
  2. Step 2: Convert to fraction form
    59,680.40/89,520.60 = 28,576.40/x
  3. Step 3: Cross multiply
    59,680.40x = 89,520.60 × 28,576.40
  4. Step 4: Simplify right side
    59,680.40x = 2,558,176,473.84
  5. Step 5: Solve for x
    x = 2,558,176,473.84/59,680.40
  6. Step 6: Final answer
    x = 42,864.60

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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.