Home / 91,148.04-125,779.02-50,858.64

Finding the Fourth Proportional to 91,148.04, 125,779.02 and 50,858.64

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Solution

The fourth proportional to 91,148.04, 125,779.02 and 50,858.64 is: 70,181.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,148.04 : 125,779.02 = 50,858.64 : x
  2. Step 2: Convert to fraction form
    91,148.04/125,779.02 = 50,858.64/x
  3. Step 3: Cross multiply
    91,148.04x = 125,779.02 × 50,858.64
  4. Step 4: Simplify right side
    91,148.04x = 6,396,949,897.73
  5. Step 5: Solve for x
    x = 6,396,949,897.73/91,148.04
  6. Step 6: Final answer
    x = 70,181.98

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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.