Home / 90,465.03-124,838.77-54,648.79

Finding the Fourth Proportional to 90,465.03, 124,838.77 and 54,648.79

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Solution

The fourth proportional to 90,465.03, 124,838.77 and 54,648.79 is: 75,413.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,465.03 : 124,838.77 = 54,648.79 : x
  2. Step 2: Convert to fraction form
    90,465.03/124,838.77 = 54,648.79/x
  3. Step 3: Cross multiply
    90,465.03x = 124,838.77 × 54,648.79
  4. Step 4: Simplify right side
    90,465.03x = 6,822,287,725.59
  5. Step 5: Solve for x
    x = 6,822,287,725.59/90,465.03
  6. Step 6: Final answer
    x = 75,413.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.