Home / 92,913.10-128,215.65-52,625.86

Finding the Fourth Proportional to 92,913.10, 128,215.65 and 52,625.86

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Solution

The fourth proportional to 92,913.10, 128,215.65 and 52,625.86 is: 72,621.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,913.10 : 128,215.65 = 52,625.86 : x
  2. Step 2: Convert to fraction form
    92,913.10/128,215.65 = 52,625.86/x
  3. Step 3: Cross multiply
    92,913.10x = 128,215.65 × 52,625.86
  4. Step 4: Simplify right side
    92,913.10x = 6,747,458,846.71
  5. Step 5: Solve for x
    x = 6,747,458,846.71/92,913.10
  6. Step 6: Final answer
    x = 72,621.18

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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.