Home / 85,663.08-118,216.62-47,937.24

Finding the Fourth Proportional to 85,663.08, 118,216.62 and 47,937.24

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Solution

The fourth proportional to 85,663.08, 118,216.62 and 47,937.24 is: 66,154.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,663.08 : 118,216.62 = 47,937.24 : x
  2. Step 2: Convert to fraction form
    85,663.08/118,216.62 = 47,937.24/x
  3. Step 3: Cross multiply
    85,663.08x = 118,216.62 × 47,937.24
  4. Step 4: Simplify right side
    85,663.08x = 5,666,978,484.93
  5. Step 5: Solve for x
    x = 5,666,978,484.93/85,663.08
  6. Step 6: Final answer
    x = 66,154.27

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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.