Home / 77,289.55-106,666.34-43,297.50

Finding the Fourth Proportional to 77,289.55, 106,666.34 and 43,297.50

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Solution

The fourth proportional to 77,289.55, 106,666.34 and 43,297.50 is: 59,754.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,289.55 : 106,666.34 = 43,297.50 : x
  2. Step 2: Convert to fraction form
    77,289.55/106,666.34 = 43,297.50/x
  3. Step 3: Cross multiply
    77,289.55x = 106,666.34 × 43,297.50
  4. Step 4: Simplify right side
    77,289.55x = 4,618,385,856.15
  5. Step 5: Solve for x
    x = 4,618,385,856.15/77,289.55
  6. Step 6: Final answer
    x = 59,754.34

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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.