Home / 76,030.80-104,919.36-42,037.08

Finding the Fourth Proportional to 76,030.80, 104,919.36 and 42,037.08

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Solution

The fourth proportional to 76,030.80, 104,919.36 and 42,037.08 is: 58,009.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,030.80 : 104,919.36 = 42,037.08 : x
  2. Step 2: Convert to fraction form
    76,030.80/104,919.36 = 42,037.08/x
  3. Step 3: Cross multiply
    76,030.80x = 104,919.36 × 42,037.08
  4. Step 4: Simplify right side
    76,030.80x = 4,410,503,529.87
  5. Step 5: Solve for x
    x = 4,410,503,529.87/76,030.80
  6. Step 6: Final answer
    x = 58,009.43

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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.