Home / 106,885.02-147,495.96-58,485.90

Finding the Fourth Proportional to 106,885.02, 147,495.96 and 58,485.90

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Solution

The fourth proportional to 106,885.02, 147,495.96 and 58,485.90 is: 80,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,885.02 : 147,495.96 = 58,485.90 : x
  2. Step 2: Convert to fraction form
    106,885.02/147,495.96 = 58,485.90/x
  3. Step 3: Cross multiply
    106,885.02x = 147,495.96 × 58,485.90
  4. Step 4: Simplify right side
    106,885.02x = 8,626,433,966.96
  5. Step 5: Solve for x
    x = 8,626,433,966.96/106,885.02
  6. Step 6: Final answer
    x = 80,707.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.