Home / 45,645.13-63,070.76-35,125.66

Finding the Fourth Proportional to 45,645.13, 63,070.76 and 35,125.66

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Solution

The fourth proportional to 45,645.13, 63,070.76 and 35,125.66 is: 48,535.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,645.13 : 63,070.76 = 35,125.66 : x
  2. Step 2: Convert to fraction form
    45,645.13/63,070.76 = 35,125.66/x
  3. Step 3: Cross multiply
    45,645.13x = 63,070.76 × 35,125.66
  4. Step 4: Simplify right side
    45,645.13x = 2,215,401,580.72
  5. Step 5: Solve for x
    x = 2,215,401,580.72/45,645.13
  6. Step 6: Final answer
    x = 48,535.34

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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.