Home / 86,240.84-118,994.40-50,423.90

Finding the Fourth Proportional to 86,240.84, 118,994.40 and 50,423.90

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Solution

The fourth proportional to 86,240.84, 118,994.40 and 50,423.90 is: 69,574.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,240.84 : 118,994.40 = 50,423.90 : x
  2. Step 2: Convert to fraction form
    86,240.84/118,994.40 = 50,423.90/x
  3. Step 3: Cross multiply
    86,240.84x = 118,994.40 × 50,423.90
  4. Step 4: Simplify right side
    86,240.84x = 6,000,161,131.19
  5. Step 5: Solve for x
    x = 6,000,161,131.19/86,240.84
  6. Step 6: Final answer
    x = 69,574.48

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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.