Home / 76,111.95-114,165.56-36,159.69

Finding the Fourth Proportional to 76,111.95, 114,165.56 and 36,159.69

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Solution

The fourth proportional to 76,111.95, 114,165.56 and 36,159.69 is: 54,238.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,111.95 : 114,165.56 = 36,159.69 : x
  2. Step 2: Convert to fraction form
    76,111.95/114,165.56 = 36,159.69/x
  3. Step 3: Cross multiply
    76,111.95x = 114,165.56 × 36,159.69
  4. Step 4: Simplify right side
    76,111.95x = 4,128,191,258.28
  5. Step 5: Solve for x
    x = 4,128,191,258.28/76,111.95
  6. Step 6: Final answer
    x = 54,238.41

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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.