Home / 129,026.90-193,603.76-57,999.72

Finding the Fourth Proportional to 129,026.90, 193,603.76 and 57,999.72

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Solution

The fourth proportional to 129,026.90, 193,603.76 and 57,999.72 is: 87,028.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,026.90 : 193,603.76 = 57,999.72 : x
  2. Step 2: Convert to fraction form
    129,026.90/193,603.76 = 57,999.72/x
  3. Step 3: Cross multiply
    129,026.90x = 193,603.76 × 57,999.72
  4. Step 4: Simplify right side
    129,026.90x = 11,228,963,580.95
  5. Step 5: Solve for x
    x = 11,228,963,580.95/129,026.90
  6. Step 6: Final answer
    x = 87,028.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.