Home / 85,853.04-118,477.19-47,618.44

Finding the Fourth Proportional to 85,853.04, 118,477.19 and 47,618.44

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Solution

The fourth proportional to 85,853.04, 118,477.19 and 47,618.44 is: 65,713.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,853.04 : 118,477.19 = 47,618.44 : x
  2. Step 2: Convert to fraction form
    85,853.04/118,477.19 = 47,618.44/x
  3. Step 3: Cross multiply
    85,853.04x = 118,477.19 × 47,618.44
  4. Step 4: Simplify right side
    85,853.04x = 5,641,699,686.24
  5. Step 5: Solve for x
    x = 5,641,699,686.24/85,853.04
  6. Step 6: Final answer
    x = 65,713.45

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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.