Home / 86,630.31-119,550.83-50,820.93

Finding the Fourth Proportional to 86,630.31, 119,550.83 and 50,820.93

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Solution

The fourth proportional to 86,630.31, 119,550.83 and 50,820.93 is: 70,133.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,630.31 : 119,550.83 = 50,820.93 : x
  2. Step 2: Convert to fraction form
    86,630.31/119,550.83 = 50,820.93/x
  3. Step 3: Cross multiply
    86,630.31x = 119,550.83 × 50,820.93
  4. Step 4: Simplify right side
    86,630.31x = 6,075,684,108.77
  5. Step 5: Solve for x
    x = 6,075,684,108.77/86,630.31
  6. Step 6: Final answer
    x = 70,133.47

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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.