Home / 85,853.04-118,484.13-47,616.40

Finding the Fourth Proportional to 85,853.04, 118,484.13 and 47,616.40

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Solution

The fourth proportional to 85,853.04, 118,484.13 and 47,616.40 is: 65,714.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,853.04 : 118,484.13 = 47,616.40 : x
  2. Step 2: Convert to fraction form
    85,853.04/118,484.13 = 47,616.40/x
  3. Step 3: Cross multiply
    85,853.04x = 118,484.13 × 47,616.40
  4. Step 4: Simplify right side
    85,853.04x = 5,641,787,727.73
  5. Step 5: Solve for x
    x = 5,641,787,727.73/85,853.04
  6. Step 6: Final answer
    x = 65,714.48

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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.