Home / 76,400.40-114,600.60-69,511.35

Finding the Fourth Proportional to 76,400.40, 114,600.60 and 69,511.35

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Solution

The fourth proportional to 76,400.40, 114,600.60 and 69,511.35 is: 104,267.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,400.40 : 114,600.60 = 69,511.35 : x
  2. Step 2: Convert to fraction form
    76,400.40/114,600.60 = 69,511.35/x
  3. Step 3: Cross multiply
    76,400.40x = 114,600.60 × 69,511.35
  4. Step 4: Simplify right side
    76,400.40x = 7,966,042,416.81
  5. Step 5: Solve for x
    x = 7,966,042,416.81/76,400.40
  6. Step 6: Final answer
    x = 104,267.03

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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.