Home / 76,011.48-113,917.86-40,875.48

Finding the Fourth Proportional to 76,011.48, 113,917.86 and 40,875.48

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Solution

The fourth proportional to 76,011.48, 113,917.86 and 40,875.48 is: 61,259.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,011.48 : 113,917.86 = 40,875.48 : x
  2. Step 2: Convert to fraction form
    76,011.48/113,917.86 = 40,875.48/x
  3. Step 3: Cross multiply
    76,011.48x = 113,917.86 × 40,875.48
  4. Step 4: Simplify right side
    76,011.48x = 4,656,447,208.07
  5. Step 5: Solve for x
    x = 4,656,447,208.07/76,011.48
  6. Step 6: Final answer
    x = 61,259.79

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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.