Home / 77,250.11-106,615.95-55,809.22

Finding the Fourth Proportional to 77,250.11, 106,615.95 and 55,809.22

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Solution

The fourth proportional to 77,250.11, 106,615.95 and 55,809.22 is: 77,024.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,250.11 : 106,615.95 = 55,809.22 : x
  2. Step 2: Convert to fraction form
    77,250.11/106,615.95 = 55,809.22/x
  3. Step 3: Cross multiply
    77,250.11x = 106,615.95 × 55,809.22
  4. Step 4: Simplify right side
    77,250.11x = 5,950,152,733.14
  5. Step 5: Solve for x
    x = 5,950,152,733.14/77,250.11
  6. Step 6: Final answer
    x = 77,024.53

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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.