Home / 86,901.04-130,400.80-46,919.46

Finding the Fourth Proportional to 86,901.04, 130,400.80 and 46,919.46

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Solution

The fourth proportional to 86,901.04, 130,400.80 and 46,919.46 is: 70,405.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,901.04 : 130,400.80 = 46,919.46 : x
  2. Step 2: Convert to fraction form
    86,901.04/130,400.80 = 46,919.46/x
  3. Step 3: Cross multiply
    86,901.04x = 130,400.80 × 46,919.46
  4. Step 4: Simplify right side
    86,901.04x = 6,118,335,119.57
  5. Step 5: Solve for x
    x = 6,118,335,119.57/86,901.04
  6. Step 6: Final answer
    x = 70,405.78

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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.