Home / 125,766.34-173,582.19-72,087.30

Finding the Fourth Proportional to 125,766.34, 173,582.19 and 72,087.30

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Solution

The fourth proportional to 125,766.34, 173,582.19 and 72,087.30 is: 99,494.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,766.34 : 173,582.19 = 72,087.30 : x
  2. Step 2: Convert to fraction form
    125,766.34/173,582.19 = 72,087.30/x
  3. Step 3: Cross multiply
    125,766.34x = 173,582.19 × 72,087.30
  4. Step 4: Simplify right side
    125,766.34x = 12,513,071,405.19
  5. Step 5: Solve for x
    x = 12,513,071,405.19/125,766.34
  6. Step 6: Final answer
    x = 99,494.60

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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.