Home / 78,945.08-118,464.30-29,060.24

Finding the Fourth Proportional to 78,945.08, 118,464.30 and 29,060.24

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Solution

The fourth proportional to 78,945.08, 118,464.30 and 29,060.24 is: 43,607.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,945.08 : 118,464.30 = 29,060.24 : x
  2. Step 2: Convert to fraction form
    78,945.08/118,464.30 = 29,060.24/x
  3. Step 3: Cross multiply
    78,945.08x = 118,464.30 × 29,060.24
  4. Step 4: Simplify right side
    78,945.08x = 3,442,600,397.11
  5. Step 5: Solve for x
    x = 3,442,600,397.11/78,945.08
  6. Step 6: Final answer
    x = 43,607.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.