Home / 118,681.74-178,022.61-48,532.50

Finding the Fourth Proportional to 118,681.74, 178,022.61 and 48,532.50

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Solution

The fourth proportional to 118,681.74, 178,022.61 and 48,532.50 is: 72,798.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,681.74 : 178,022.61 = 48,532.50 : x
  2. Step 2: Convert to fraction form
    118,681.74/178,022.61 = 48,532.50/x
  3. Step 3: Cross multiply
    118,681.74x = 178,022.61 × 48,532.50
  4. Step 4: Simplify right side
    118,681.74x = 8,639,882,319.83
  5. Step 5: Solve for x
    x = 8,639,882,319.83/118,681.74
  6. Step 6: Final answer
    x = 72,798.75

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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.