Home / 76,748.16-105,884.37-46,511.67

Finding the Fourth Proportional to 76,748.16, 105,884.37 and 46,511.67

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Solution

The fourth proportional to 76,748.16, 105,884.37 and 46,511.67 is: 64,169.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,748.16 : 105,884.37 = 46,511.67 : x
  2. Step 2: Convert to fraction form
    76,748.16/105,884.37 = 46,511.67/x
  3. Step 3: Cross multiply
    76,748.16x = 105,884.37 × 46,511.67
  4. Step 4: Simplify right side
    76,748.16x = 4,924,858,875.60
  5. Step 5: Solve for x
    x = 4,924,858,875.60/76,748.16
  6. Step 6: Final answer
    x = 64,169.08

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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.