Home / 75,740.80-104,518.08-41,742.64

Finding the Fourth Proportional to 75,740.80, 104,518.08 and 41,742.64

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Solution

The fourth proportional to 75,740.80, 104,518.08 and 41,742.64 is: 57,602.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,740.80 : 104,518.08 = 41,742.64 : x
  2. Step 2: Convert to fraction form
    75,740.80/104,518.08 = 41,742.64/x
  3. Step 3: Cross multiply
    75,740.80x = 104,518.08 × 41,742.64
  4. Step 4: Simplify right side
    75,740.80x = 4,362,860,586.93
  5. Step 5: Solve for x
    x = 4,362,860,586.93/75,740.80
  6. Step 6: Final answer
    x = 57,602.52

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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.