Home / 86,667.55-130,001.33-56,706.96

Finding the Fourth Proportional to 86,667.55, 130,001.33 and 56,706.96

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Solution

The fourth proportional to 86,667.55, 130,001.33 and 56,706.96 is: 85,060.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,667.55 : 130,001.33 = 56,706.96 : x
  2. Step 2: Convert to fraction form
    86,667.55/130,001.33 = 56,706.96/x
  3. Step 3: Cross multiply
    86,667.55x = 130,001.33 × 56,706.96
  4. Step 4: Simplify right side
    86,667.55x = 7,371,980,220.26
  5. Step 5: Solve for x
    x = 7,371,980,220.26/86,667.55
  6. Step 6: Final answer
    x = 85,060.44

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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.