Home / 90,851.10-136,276.65-59,358.30

Finding the Fourth Proportional to 90,851.10, 136,276.65 and 59,358.30

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Solution

The fourth proportional to 90,851.10, 136,276.65 and 59,358.30 is: 89,037.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,851.10 : 136,276.65 = 59,358.30 : x
  2. Step 2: Convert to fraction form
    90,851.10/136,276.65 = 59,358.30/x
  3. Step 3: Cross multiply
    90,851.10x = 136,276.65 × 59,358.30
  4. Step 4: Simplify right side
    90,851.10x = 8,089,150,273.70
  5. Step 5: Solve for x
    x = 8,089,150,273.70/90,851.10
  6. Step 6: Final answer
    x = 89,037.45

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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.