Home / 86,343.49-119,152.21-48,102.98

Finding the Fourth Proportional to 86,343.49, 119,152.21 and 48,102.98

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Solution

The fourth proportional to 86,343.49, 119,152.21 and 48,102.98 is: 66,381.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,343.49 : 119,152.21 = 48,102.98 : x
  2. Step 2: Convert to fraction form
    86,343.49/119,152.21 = 48,102.98/x
  3. Step 3: Cross multiply
    86,343.49x = 119,152.21 × 48,102.98
  4. Step 4: Simplify right side
    86,343.49x = 5,731,576,374.59
  5. Step 5: Solve for x
    x = 5,731,576,374.59/86,343.49
  6. Step 6: Final answer
    x = 66,381.11

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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.