Home / 76,032.20-114,048.30-72,403.40

Finding the Fourth Proportional to 76,032.20, 114,048.30 and 72,403.40

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Solution

The fourth proportional to 76,032.20, 114,048.30 and 72,403.40 is: 108,605.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,032.20 : 114,048.30 = 72,403.40 : x
  2. Step 2: Convert to fraction form
    76,032.20/114,048.30 = 72,403.40/x
  3. Step 3: Cross multiply
    76,032.20x = 114,048.30 × 72,403.40
  4. Step 4: Simplify right side
    76,032.20x = 8,257,484,684.22
  5. Step 5: Solve for x
    x = 8,257,484,684.22/76,032.20
  6. Step 6: Final answer
    x = 108,605.10

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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.