Home / 89,975.04-135,045.59-45,632.94

Finding the Fourth Proportional to 89,975.04, 135,045.59 and 45,632.94

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Solution

The fourth proportional to 89,975.04, 135,045.59 and 45,632.94 is: 68,491.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,975.04 : 135,045.59 = 45,632.94 : x
  2. Step 2: Convert to fraction form
    89,975.04/135,045.59 = 45,632.94/x
  3. Step 3: Cross multiply
    89,975.04x = 135,045.59 × 45,632.94
  4. Step 4: Simplify right side
    89,975.04x = 6,162,527,305.73
  5. Step 5: Solve for x
    x = 6,162,527,305.73/89,975.04
  6. Step 6: Final answer
    x = 68,491.52

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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.