Home / 89,215.86-133,823.88-26,886.36

Finding the Fourth Proportional to 89,215.86, 133,823.88 and 26,886.36

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Solution

The fourth proportional to 89,215.86, 133,823.88 and 26,886.36 is: 40,329.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,215.86 : 133,823.88 = 26,886.36 : x
  2. Step 2: Convert to fraction form
    89,215.86/133,823.88 = 26,886.36/x
  3. Step 3: Cross multiply
    89,215.86x = 133,823.88 × 26,886.36
  4. Step 4: Simplify right side
    89,215.86x = 3,598,037,014.28
  5. Step 5: Solve for x
    x = 3,598,037,014.28/89,215.86
  6. Step 6: Final answer
    x = 40,329.57

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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.