Home / 125,885.12-173,725.60-69,300.80

Finding the Fourth Proportional to 125,885.12, 173,725.60 and 69,300.80

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Solution

The fourth proportional to 125,885.12, 173,725.60 and 69,300.80 is: 95,637.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,885.12 : 173,725.60 = 69,300.80 : x
  2. Step 2: Convert to fraction form
    125,885.12/173,725.60 = 69,300.80/x
  3. Step 3: Cross multiply
    125,885.12x = 173,725.60 × 69,300.80
  4. Step 4: Simplify right side
    125,885.12x = 12,039,323,060.48
  5. Step 5: Solve for x
    x = 12,039,323,060.48/125,885.12
  6. Step 6: Final answer
    x = 95,637.38

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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.