Home / 86,051.28-118,752.18-47,814.24

Finding the Fourth Proportional to 86,051.28, 118,752.18 and 47,814.24

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Solution

The fourth proportional to 86,051.28, 118,752.18 and 47,814.24 is: 65,984.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,051.28 : 118,752.18 = 47,814.24 : x
  2. Step 2: Convert to fraction form
    86,051.28/118,752.18 = 47,814.24/x
  3. Step 3: Cross multiply
    86,051.28x = 118,752.18 × 47,814.24
  4. Step 4: Simplify right side
    86,051.28x = 5,678,045,235.04
  5. Step 5: Solve for x
    x = 5,678,045,235.04/86,051.28
  6. Step 6: Final answer
    x = 65,984.44

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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.