Home / 90,878.96-136,316.45-24,319.07

Finding the Fourth Proportional to 90,878.96, 136,316.45 and 24,319.07

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Solution

The fourth proportional to 90,878.96, 136,316.45 and 24,319.07 is: 36,478.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,878.96 : 136,316.45 = 24,319.07 : x
  2. Step 2: Convert to fraction form
    90,878.96/136,316.45 = 24,319.07/x
  3. Step 3: Cross multiply
    90,878.96x = 136,316.45 × 24,319.07
  4. Step 4: Simplify right side
    90,878.96x = 3,315,089,180.10
  5. Step 5: Solve for x
    x = 3,315,089,180.10/90,878.96
  6. Step 6: Final answer
    x = 36,478.07

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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.