Home / 125,615.08-173,349.78-69,027.40

Finding the Fourth Proportional to 125,615.08, 173,349.78 and 69,027.40

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Solution

The fourth proportional to 125,615.08, 173,349.78 and 69,027.40 is: 95,258.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,615.08 : 173,349.78 = 69,027.40 : x
  2. Step 2: Convert to fraction form
    125,615.08/173,349.78 = 69,027.40/x
  3. Step 3: Cross multiply
    125,615.08x = 173,349.78 × 69,027.40
  4. Step 4: Simplify right side
    125,615.08x = 11,965,884,603.97
  5. Step 5: Solve for x
    x = 11,965,884,603.97/125,615.08
  6. Step 6: Final answer
    x = 95,258.34

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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.