Home / 58,254.36-80,390.80-33,108.72

Finding the Fourth Proportional to 58,254.36, 80,390.80 and 33,108.72

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Solution

The fourth proportional to 58,254.36, 80,390.80 and 33,108.72 is: 45,689.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,254.36 : 80,390.80 = 33,108.72 : x
  2. Step 2: Convert to fraction form
    58,254.36/80,390.80 = 33,108.72/x
  3. Step 3: Cross multiply
    58,254.36x = 80,390.80 × 33,108.72
  4. Step 4: Simplify right side
    58,254.36x = 2,661,636,487.78
  5. Step 5: Solve for x
    x = 2,661,636,487.78/58,254.36
  6. Step 6: Final answer
    x = 45,689.91

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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.