Home / 93,777.32-129,413.57-55,539.05

Finding the Fourth Proportional to 93,777.32, 129,413.57 and 55,539.05

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Solution

The fourth proportional to 93,777.32, 129,413.57 and 55,539.05 is: 76,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,777.32 : 129,413.57 = 55,539.05 : x
  2. Step 2: Convert to fraction form
    93,777.32/129,413.57 = 55,539.05/x
  3. Step 3: Cross multiply
    93,777.32x = 129,413.57 × 55,539.05
  4. Step 4: Simplify right side
    93,777.32x = 7,187,505,810.15
  5. Step 5: Solve for x
    x = 7,187,505,810.15/93,777.32
  6. Step 6: Final answer
    x = 76,644.40

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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.