Home / 97,019.46-133,837.86-56,706.87

Finding the Fourth Proportional to 97,019.46, 133,837.86 and 56,706.87

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Solution

The fourth proportional to 97,019.46, 133,837.86 and 56,706.87 is: 78,226.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,019.46 : 133,837.86 = 56,706.87 : x
  2. Step 2: Convert to fraction form
    97,019.46/133,837.86 = 56,706.87/x
  3. Step 3: Cross multiply
    97,019.46x = 133,837.86 × 56,706.87
  4. Step 4: Simplify right side
    97,019.46x = 7,589,526,128.10
  5. Step 5: Solve for x
    x = 7,589,526,128.10/97,019.46
  6. Step 6: Final answer
    x = 78,226.84

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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.