Home / 60,687.18-91,007.64-18,554.40

Finding the Fourth Proportional to 60,687.18, 91,007.64 and 18,554.40

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Solution

The fourth proportional to 60,687.18, 91,007.64 and 18,554.40 is: 27,824.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,687.18 : 91,007.64 = 18,554.40 : x
  2. Step 2: Convert to fraction form
    60,687.18/91,007.64 = 18,554.40/x
  3. Step 3: Cross multiply
    60,687.18x = 91,007.64 × 18,554.40
  4. Step 4: Simplify right side
    60,687.18x = 1,688,592,155.62
  5. Step 5: Solve for x
    x = 1,688,592,155.62/60,687.18
  6. Step 6: Final answer
    x = 27,824.53

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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.