Home / 76,100.16-105,011.04-44,268.48

Finding the Fourth Proportional to 76,100.16, 105,011.04 and 44,268.48

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Solution

The fourth proportional to 76,100.16, 105,011.04 and 44,268.48 is: 61,086.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,100.16 : 105,011.04 = 44,268.48 : x
  2. Step 2: Convert to fraction form
    76,100.16/105,011.04 = 44,268.48/x
  3. Step 3: Cross multiply
    76,100.16x = 105,011.04 × 44,268.48
  4. Step 4: Simplify right side
    76,100.16x = 4,648,679,124.02
  5. Step 5: Solve for x
    x = 4,648,679,124.02/76,100.16
  6. Step 6: Final answer
    x = 61,086.33

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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.