Home / 77,847.34-116,779.63-33,478.60

Finding the Fourth Proportional to 77,847.34, 116,779.63 and 33,478.60

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Solution

The fourth proportional to 77,847.34, 116,779.63 and 33,478.60 is: 50,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,847.34 : 116,779.63 = 33,478.60 : x
  2. Step 2: Convert to fraction form
    77,847.34/116,779.63 = 33,478.60/x
  3. Step 3: Cross multiply
    77,847.34x = 116,779.63 × 33,478.60
  4. Step 4: Simplify right side
    77,847.34x = 3,909,617,937.02
  5. Step 5: Solve for x
    x = 3,909,617,937.02/77,847.34
  6. Step 6: Final answer
    x = 50,221.60

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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.