Home / 125,041.93-172,557.87-68,453.30

Finding the Fourth Proportional to 125,041.93, 172,557.87 and 68,453.30

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Solution

The fourth proportional to 125,041.93, 172,557.87 and 68,453.30 is: 94,465.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,041.93 : 172,557.87 = 68,453.30 : x
  2. Step 2: Convert to fraction form
    125,041.93/172,557.87 = 68,453.30/x
  3. Step 3: Cross multiply
    125,041.93x = 172,557.87 × 68,453.30
  4. Step 4: Simplify right side
    125,041.93x = 11,812,155,817.17
  5. Step 5: Solve for x
    x = 11,812,155,817.17/125,041.93
  6. Step 6: Final answer
    x = 94,465.56

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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.