Home / 86,286.84-119,056.14-48,547.32

Finding the Fourth Proportional to 86,286.84, 119,056.14 and 48,547.32

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Solution

The fourth proportional to 86,286.84, 119,056.14 and 48,547.32 is: 66,984.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,286.84 : 119,056.14 = 48,547.32 : x
  2. Step 2: Convert to fraction form
    86,286.84/119,056.14 = 48,547.32/x
  3. Step 3: Cross multiply
    86,286.84x = 119,056.14 × 48,547.32
  4. Step 4: Simplify right side
    86,286.84x = 5,779,856,526.54
  5. Step 5: Solve for x
    x = 5,779,856,526.54/86,286.84
  6. Step 6: Final answer
    x = 66,984.22

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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.