Home / 86,386.46-119,213.91-48,148.47

Finding the Fourth Proportional to 86,386.46, 119,213.91 and 48,148.47

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Solution

The fourth proportional to 86,386.46, 119,213.91 and 48,148.47 is: 66,445.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,386.46 : 119,213.91 = 48,148.47 : x
  2. Step 2: Convert to fraction form
    86,386.46/119,213.91 = 48,148.47/x
  3. Step 3: Cross multiply
    86,386.46x = 119,213.91 × 48,148.47
  4. Step 4: Simplify right side
    86,386.46x = 5,739,967,704.51
  5. Step 5: Solve for x
    x = 5,739,967,704.51/86,386.46
  6. Step 6: Final answer
    x = 66,445.22

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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.