Home / 86,345.10-119,156.13-48,619.62

Finding the Fourth Proportional to 86,345.10, 119,156.13 and 48,619.62

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Solution

The fourth proportional to 86,345.10, 119,156.13 and 48,619.62 is: 67,095.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,345.10 : 119,156.13 = 48,619.62 : x
  2. Step 2: Convert to fraction form
    86,345.10/119,156.13 = 48,619.62/x
  3. Step 3: Cross multiply
    86,345.10x = 119,156.13 × 48,619.62
  4. Step 4: Simplify right side
    86,345.10x = 5,793,325,761.27
  5. Step 5: Solve for x
    x = 5,793,325,761.27/86,345.10
  6. Step 6: Final answer
    x = 67,095.01

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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.