Home / 125,688.82-173,457.58-69,111.94

Finding the Fourth Proportional to 125,688.82, 173,457.58 and 69,111.94

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Solution

The fourth proportional to 125,688.82, 173,457.58 and 69,111.94 is: 95,378.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,688.82 : 173,457.58 = 69,111.94 : x
  2. Step 2: Convert to fraction form
    125,688.82/173,457.58 = 69,111.94/x
  3. Step 3: Cross multiply
    125,688.82x = 173,457.58 × 69,111.94
  4. Step 4: Simplify right side
    125,688.82x = 11,987,989,861.51
  5. Step 5: Solve for x
    x = 11,987,989,861.51/125,688.82
  6. Step 6: Final answer
    x = 95,378.33

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1.5x scale

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.