Home / 66,877.89-100,441.71-58,875.50

Finding the Fourth Proportional to 66,877.89, 100,441.71 and 58,875.50

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Solution

The fourth proportional to 66,877.89, 100,441.71 and 58,875.50 is: 88,423.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,877.89 : 100,441.71 = 58,875.50 : x
  2. Step 2: Convert to fraction form
    66,877.89/100,441.71 = 58,875.50/x
  3. Step 3: Cross multiply
    66,877.89x = 100,441.71 × 58,875.50
  4. Step 4: Simplify right side
    66,877.89x = 5,913,555,394.90
  5. Step 5: Solve for x
    x = 5,913,555,394.90/66,877.89
  6. Step 6: Final answer
    x = 88,423.18

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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.