Home / 85,122.41-117,460.24-52,411.63

Finding the Fourth Proportional to 85,122.41, 117,460.24 and 52,411.63

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Solution

The fourth proportional to 85,122.41, 117,460.24 and 52,411.63 is: 72,322.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,122.41 : 117,460.24 = 52,411.63 : x
  2. Step 2: Convert to fraction form
    85,122.41/117,460.24 = 52,411.63/x
  3. Step 3: Cross multiply
    85,122.41x = 117,460.24 × 52,411.63
  4. Step 4: Simplify right side
    85,122.41x = 6,156,282,638.59
  5. Step 5: Solve for x
    x = 6,156,282,638.59/85,122.41
  6. Step 6: Final answer
    x = 72,322.70

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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.