Home / 66,353.08-99,535.28-18,968.92

Finding the Fourth Proportional to 66,353.08, 99,535.28 and 18,968.92

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Solution

The fourth proportional to 66,353.08, 99,535.28 and 18,968.92 is: 28,455.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,353.08 : 99,535.28 = 18,968.92 : x
  2. Step 2: Convert to fraction form
    66,353.08/99,535.28 = 18,968.92/x
  3. Step 3: Cross multiply
    66,353.08x = 99,535.28 × 18,968.92
  4. Step 4: Simplify right side
    66,353.08x = 1,888,076,763.50
  5. Step 5: Solve for x
    x = 1,888,076,763.50/66,353.08
  6. Step 6: Final answer
    x = 28,455.00

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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.