Home / 85,892.60-118,533.02-64,344.16

Finding the Fourth Proportional to 85,892.60, 118,533.02 and 64,344.16

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Solution

The fourth proportional to 85,892.60, 118,533.02 and 64,344.16 is: 88,795.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,892.60 : 118,533.02 = 64,344.16 : x
  2. Step 2: Convert to fraction form
    85,892.60/118,533.02 = 64,344.16/x
  3. Step 3: Cross multiply
    85,892.60x = 118,533.02 × 64,344.16
  4. Step 4: Simplify right side
    85,892.60x = 7,626,907,604.16
  5. Step 5: Solve for x
    x = 7,626,907,604.16/85,892.60
  6. Step 6: Final answer
    x = 88,795.86

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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.