Home / 125,938.90-173,751.72-71,484.58

Finding the Fourth Proportional to 125,938.90, 173,751.72 and 71,484.58

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Solution

The fourth proportional to 125,938.90, 173,751.72 and 71,484.58 is: 98,623.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,938.90 : 173,751.72 = 71,484.58 : x
  2. Step 2: Convert to fraction form
    125,938.90/173,751.72 = 71,484.58/x
  3. Step 3: Cross multiply
    125,938.90x = 173,751.72 × 71,484.58
  4. Step 4: Simplify right side
    125,938.90x = 12,420,568,728.48
  5. Step 5: Solve for x
    x = 12,420,568,728.48/125,938.90
  6. Step 6: Final answer
    x = 98,623.77

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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.