Home / 108,535.30-162,693.60-49,413.40

Finding the Fourth Proportional to 108,535.30, 162,693.60 and 49,413.40

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Solution

The fourth proportional to 108,535.30, 162,693.60 and 49,413.40 is: 74,070.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,535.30 : 162,693.60 = 49,413.40 : x
  2. Step 2: Convert to fraction form
    108,535.30/162,693.60 = 49,413.40/x
  3. Step 3: Cross multiply
    108,535.30x = 162,693.60 × 49,413.40
  4. Step 4: Simplify right side
    108,535.30x = 8,039,243,934.24
  5. Step 5: Solve for x
    x = 8,039,243,934.24/108,535.30
  6. Step 6: Final answer
    x = 74,070.32

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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.