Home / 85,350.42-117,783.60-47,624.64

Finding the Fourth Proportional to 85,350.42, 117,783.60 and 47,624.64

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Solution

The fourth proportional to 85,350.42, 117,783.60 and 47,624.64 is: 65,722.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,350.42 : 117,783.60 = 47,624.64 : x
  2. Step 2: Convert to fraction form
    85,350.42/117,783.60 = 47,624.64/x
  3. Step 3: Cross multiply
    85,350.42x = 117,783.60 × 47,624.64
  4. Step 4: Simplify right side
    85,350.42x = 5,609,401,547.90
  5. Step 5: Solve for x
    x = 5,609,401,547.90/85,350.42
  6. Step 6: Final answer
    x = 65,722.01

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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.