Home / 82,531.90-113,946.94-56,733.35

Finding the Fourth Proportional to 82,531.90, 113,946.94 and 56,733.35

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Solution

The fourth proportional to 82,531.90, 113,946.94 and 56,733.35 is: 78,328.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,531.90 : 113,946.94 = 56,733.35 : x
  2. Step 2: Convert to fraction form
    82,531.90/113,946.94 = 56,733.35/x
  3. Step 3: Cross multiply
    82,531.90x = 113,946.94 × 56,733.35
  4. Step 4: Simplify right side
    82,531.90x = 6,464,591,289.19
  5. Step 5: Solve for x
    x = 6,464,591,289.19/82,531.90
  6. Step 6: Final answer
    x = 78,328.40

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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.