Home / 72,753.09-100,413.06-45,541.83

Finding the Fourth Proportional to 72,753.09, 100,413.06 and 45,541.83

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Solution

The fourth proportional to 72,753.09, 100,413.06 and 45,541.83 is: 62,856.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,753.09 : 100,413.06 = 45,541.83 : x
  2. Step 2: Convert to fraction form
    72,753.09/100,413.06 = 45,541.83/x
  3. Step 3: Cross multiply
    72,753.09x = 100,413.06 × 45,541.83
  4. Step 4: Simplify right side
    72,753.09x = 4,572,994,508.30
  5. Step 5: Solve for x
    x = 4,572,994,508.30/72,753.09
  6. Step 6: Final answer
    x = 62,856.36

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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.