Home / 88,024.88-121,474.40-47,738.63

Finding the Fourth Proportional to 88,024.88, 121,474.40 and 47,738.63

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Solution

The fourth proportional to 88,024.88, 121,474.40 and 47,738.63 is: 65,879.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,024.88 : 121,474.40 = 47,738.63 : x
  2. Step 2: Convert to fraction form
    88,024.88/121,474.40 = 47,738.63/x
  3. Step 3: Cross multiply
    88,024.88x = 121,474.40 × 47,738.63
  4. Step 4: Simplify right side
    88,024.88x = 5,799,021,501.06
  5. Step 5: Solve for x
    x = 5,799,021,501.06/88,024.88
  6. Step 6: Final answer
    x = 65,879.34

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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.