Home / 86,534.90-119,417.91-48,294.05

Finding the Fourth Proportional to 86,534.90, 119,417.91 and 48,294.05

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Solution

The fourth proportional to 86,534.90, 119,417.91 and 48,294.05 is: 66,645.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,534.90 : 119,417.91 = 48,294.05 : x
  2. Step 2: Convert to fraction form
    86,534.90/119,417.91 = 48,294.05/x
  3. Step 3: Cross multiply
    86,534.90x = 119,417.91 × 48,294.05
  4. Step 4: Simplify right side
    86,534.90x = 5,767,173,919.35
  5. Step 5: Solve for x
    x = 5,767,173,919.35/86,534.90
  6. Step 6: Final answer
    x = 66,645.64

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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.