Home / 107,114.83-147,815.35-58,715.75

Finding the Fourth Proportional to 107,114.83, 147,815.35 and 58,715.75

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Solution

The fourth proportional to 107,114.83, 147,815.35 and 58,715.75 is: 81,026.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,114.83 : 147,815.35 = 58,715.75 : x
  2. Step 2: Convert to fraction form
    107,114.83/147,815.35 = 58,715.75/x
  3. Step 3: Cross multiply
    107,114.83x = 147,815.35 × 58,715.75
  4. Step 4: Simplify right side
    107,114.83x = 8,679,089,136.76
  5. Step 5: Solve for x
    x = 8,679,089,136.76/107,114.83
  6. Step 6: Final answer
    x = 81,026.03

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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.