Home / 76,485.68-114,740.18-39,025.32

Finding the Fourth Proportional to 76,485.68, 114,740.18 and 39,025.32

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Solution

The fourth proportional to 76,485.68, 114,740.18 and 39,025.32 is: 58,543.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,485.68 : 114,740.18 = 39,025.32 : x
  2. Step 2: Convert to fraction form
    76,485.68/114,740.18 = 39,025.32/x
  3. Step 3: Cross multiply
    76,485.68x = 114,740.18 × 39,025.32
  4. Step 4: Simplify right side
    76,485.68x = 4,477,772,046.23
  5. Step 5: Solve for x
    x = 4,477,772,046.23/76,485.68
  6. Step 6: Final answer
    x = 58,543.93

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1.5x scale

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.