Home / 76,577.46-105,661.40-44,740.20

Finding the Fourth Proportional to 76,577.46, 105,661.40 and 44,740.20

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Solution

The fourth proportional to 76,577.46, 105,661.40 and 44,740.20 is: 61,732.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,577.46 : 105,661.40 = 44,740.20 : x
  2. Step 2: Convert to fraction form
    76,577.46/105,661.40 = 44,740.20/x
  3. Step 3: Cross multiply
    76,577.46x = 105,661.40 × 44,740.20
  4. Step 4: Simplify right side
    76,577.46x = 4,727,312,168.28
  5. Step 5: Solve for x
    x = 4,727,312,168.28/76,577.46
  6. Step 6: Final answer
    x = 61,732.42

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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.