Home / 86,347.15-119,157.26-48,106.64

Finding the Fourth Proportional to 86,347.15, 119,157.26 and 48,106.64

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Solution

The fourth proportional to 86,347.15, 119,157.26 and 48,106.64 is: 66,386.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,347.15 : 119,157.26 = 48,106.64 : x
  2. Step 2: Convert to fraction form
    86,347.15/119,157.26 = 48,106.64/x
  3. Step 3: Cross multiply
    86,347.15x = 119,157.26 × 48,106.64
  4. Step 4: Simplify right side
    86,347.15x = 5,732,255,467.57
  5. Step 5: Solve for x
    x = 5,732,255,467.57/86,347.15
  6. Step 6: Final answer
    x = 66,386.16

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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.