Home / 55,300.34-76,330.80-47,826.98

Finding the Fourth Proportional to 55,300.34, 76,330.80 and 47,826.98

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Solution

The fourth proportional to 55,300.34, 76,330.80 and 47,826.98 is: 66,015.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,300.34 : 76,330.80 = 47,826.98 : x
  2. Step 2: Convert to fraction form
    55,300.34/76,330.80 = 47,826.98/x
  3. Step 3: Cross multiply
    55,300.34x = 76,330.80 × 47,826.98
  4. Step 4: Simplify right side
    55,300.34x = 3,650,671,644.98
  5. Step 5: Solve for x
    x = 3,650,671,644.98/55,300.34
  6. Step 6: Final answer
    x = 66,015.36

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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.