Home / 55,295.84-76,316.16-31,417.76

Finding the Fourth Proportional to 55,295.84, 76,316.16 and 31,417.76

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Solution

The fourth proportional to 55,295.84, 76,316.16 and 31,417.76 is: 43,361.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,295.84 : 76,316.16 = 31,417.76 : x
  2. Step 2: Convert to fraction form
    55,295.84/76,316.16 = 31,417.76/x
  3. Step 3: Cross multiply
    55,295.84x = 76,316.16 × 31,417.76
  4. Step 4: Simplify right side
    55,295.84x = 2,397,682,799.00
  5. Step 5: Solve for x
    x = 2,397,682,799.00/55,295.84
  6. Step 6: Final answer
    x = 43,361.00

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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.