Home / 86,010.34-118,697.04-47,770.35

Finding the Fourth Proportional to 86,010.34, 118,697.04 and 47,770.35

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Solution

The fourth proportional to 86,010.34, 118,697.04 and 47,770.35 is: 65,924.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,010.34 : 118,697.04 = 47,770.35 : x
  2. Step 2: Convert to fraction form
    86,010.34/118,697.04 = 47,770.35/x
  3. Step 3: Cross multiply
    86,010.34x = 118,697.04 × 47,770.35
  4. Step 4: Simplify right side
    86,010.34x = 5,670,199,144.76
  5. Step 5: Solve for x
    x = 5,670,199,144.76/86,010.34
  6. Step 6: Final answer
    x = 65,924.62

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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.