Home / 85,853.05-118,477.54-47,616.16

Finding the Fourth Proportional to 85,853.05, 118,477.54 and 47,616.16

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Solution

The fourth proportional to 85,853.05, 118,477.54 and 47,616.16 is: 65,710.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,853.05 : 118,477.54 = 47,616.16 : x
  2. Step 2: Convert to fraction form
    85,853.05/118,477.54 = 47,616.16/x
  3. Step 3: Cross multiply
    85,853.05x = 118,477.54 × 47,616.16
  4. Step 4: Simplify right side
    85,853.05x = 5,641,445,501.05
  5. Step 5: Solve for x
    x = 5,641,445,501.05/85,853.05
  6. Step 6: Final answer
    x = 65,710.49

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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.