Home / 99,862.08-149,792.88-40,684.80

Finding the Fourth Proportional to 99,862.08, 149,792.88 and 40,684.80

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Solution

The fourth proportional to 99,862.08, 149,792.88 and 40,684.80 is: 61,027.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,862.08 : 149,792.88 = 40,684.80 : x
  2. Step 2: Convert to fraction form
    99,862.08/149,792.88 = 40,684.80/x
  3. Step 3: Cross multiply
    99,862.08x = 149,792.88 × 40,684.80
  4. Step 4: Simplify right side
    99,862.08x = 6,094,293,364.22
  5. Step 5: Solve for x
    x = 6,094,293,364.22/99,862.08
  6. Step 6: Final answer
    x = 61,027.10

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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.