Home / 66,402.58-99,549.57-30,886.04

Finding the Fourth Proportional to 66,402.58, 99,549.57 and 30,886.04

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Solution

The fourth proportional to 66,402.58, 99,549.57 and 30,886.04 is: 46,303.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,402.58 : 99,549.57 = 30,886.04 : x
  2. Step 2: Convert to fraction form
    66,402.58/99,549.57 = 30,886.04/x
  3. Step 3: Cross multiply
    66,402.58x = 99,549.57 × 30,886.04
  4. Step 4: Simplify right side
    66,402.58x = 3,074,692,001.00
  5. Step 5: Solve for x
    x = 3,074,692,001.00/66,402.58
  6. Step 6: Final answer
    x = 46,303.80

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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.