Home / 92,772.19-128,025.66-52,485.13

Finding the Fourth Proportional to 92,772.19, 128,025.66 and 52,485.13

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Solution

The fourth proportional to 92,772.19, 128,025.66 and 52,485.13 is: 72,429.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,772.19 : 128,025.66 = 52,485.13 : x
  2. Step 2: Convert to fraction form
    92,772.19/128,025.66 = 52,485.13/x
  3. Step 3: Cross multiply
    92,772.19x = 128,025.66 × 52,485.13
  4. Step 4: Simplify right side
    92,772.19x = 6,719,443,408.44
  5. Step 5: Solve for x
    x = 6,719,443,408.44/92,772.19
  6. Step 6: Final answer
    x = 72,429.50

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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.