Home / 79,088.40-118,632.60-49,563.90

Finding the Fourth Proportional to 79,088.40, 118,632.60 and 49,563.90

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Solution

The fourth proportional to 79,088.40, 118,632.60 and 49,563.90 is: 74,345.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,088.40 : 118,632.60 = 49,563.90 : x
  2. Step 2: Convert to fraction form
    79,088.40/118,632.60 = 49,563.90/x
  3. Step 3: Cross multiply
    79,088.40x = 118,632.60 × 49,563.90
  4. Step 4: Simplify right side
    79,088.40x = 5,879,894,323.14
  5. Step 5: Solve for x
    x = 5,879,894,323.14/79,088.40
  6. Step 6: Final answer
    x = 74,345.85

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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.