Home / 125,865.51-173,690.78-69,275.67

Finding the Fourth Proportional to 125,865.51, 173,690.78 and 69,275.67

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Solution

The fourth proportional to 125,865.51, 173,690.78 and 69,275.67 is: 95,598.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,865.51 : 173,690.78 = 69,275.67 : x
  2. Step 2: Convert to fraction form
    125,865.51/173,690.78 = 69,275.67/x
  3. Step 3: Cross multiply
    125,865.51x = 173,690.78 × 69,275.67
  4. Step 4: Simplify right side
    125,865.51x = 12,032,544,810.94
  5. Step 5: Solve for x
    x = 12,032,544,810.94/125,865.51
  6. Step 6: Final answer
    x = 95,598.43

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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.