Home / 124,429.10-186,643.65-45,551.30

Finding the Fourth Proportional to 124,429.10, 186,643.65 and 45,551.30

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Solution

The fourth proportional to 124,429.10, 186,643.65 and 45,551.30 is: 68,326.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,429.10 : 186,643.65 = 45,551.30 : x
  2. Step 2: Convert to fraction form
    124,429.10/186,643.65 = 45,551.30/x
  3. Step 3: Cross multiply
    124,429.10x = 186,643.65 × 45,551.30
  4. Step 4: Simplify right side
    124,429.10x = 8,501,860,894.25
  5. Step 5: Solve for x
    x = 8,501,860,894.25/124,429.10
  6. Step 6: Final answer
    x = 68,326.95

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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.