Home / 78,807.44-118,055.64-59,108.24

Finding the Fourth Proportional to 78,807.44, 118,055.64 and 59,108.24

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Solution

The fourth proportional to 78,807.44, 118,055.64 and 59,108.24 is: 88,545.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,807.44 : 118,055.64 = 59,108.24 : x
  2. Step 2: Convert to fraction form
    78,807.44/118,055.64 = 59,108.24/x
  3. Step 3: Cross multiply
    78,807.44x = 118,055.64 × 59,108.24
  4. Step 4: Simplify right side
    78,807.44x = 6,978,061,102.47
  5. Step 5: Solve for x
    x = 6,978,061,102.47/78,807.44
  6. Step 6: Final answer
    x = 88,545.71

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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.