Home / 86,973.12-130,293.72-46,892.70

Finding the Fourth Proportional to 86,973.12, 130,293.72 and 46,892.70

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Solution

The fourth proportional to 86,973.12, 130,293.72 and 46,892.70 is: 70,249.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,973.12 : 130,293.72 = 46,892.70 : x
  2. Step 2: Convert to fraction form
    86,973.12/130,293.72 = 46,892.70/x
  3. Step 3: Cross multiply
    86,973.12x = 130,293.72 × 46,892.70
  4. Step 4: Simplify right side
    86,973.12x = 6,109,824,323.84
  5. Step 5: Solve for x
    x = 6,109,824,323.84/86,973.12
  6. Step 6: Final answer
    x = 70,249.57

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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.