Home / 61,125.18-91,687.27-19,005.18

Finding the Fourth Proportional to 61,125.18, 91,687.27 and 19,005.18

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Solution

The fourth proportional to 61,125.18, 91,687.27 and 19,005.18 is: 28,507.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,125.18 : 91,687.27 = 19,005.18 : x
  2. Step 2: Convert to fraction form
    61,125.18/91,687.27 = 19,005.18/x
  3. Step 3: Cross multiply
    61,125.18x = 91,687.27 × 19,005.18
  4. Step 4: Simplify right side
    61,125.18x = 1,742,533,176.64
  5. Step 5: Solve for x
    x = 1,742,533,176.64/61,125.18
  6. Step 6: Final answer
    x = 28,507.62

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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.