Home / 85,279.95-117,685.38-47,041.10

Finding the Fourth Proportional to 85,279.95, 117,685.38 and 47,041.10

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Solution

The fourth proportional to 85,279.95, 117,685.38 and 47,041.10 is: 64,916.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,279.95 : 117,685.38 = 47,041.10 : x
  2. Step 2: Convert to fraction form
    85,279.95/117,685.38 = 47,041.10/x
  3. Step 3: Cross multiply
    85,279.95x = 117,685.38 × 47,041.10
  4. Step 4: Simplify right side
    85,279.95x = 5,536,049,493.91
  5. Step 5: Solve for x
    x = 5,536,049,493.91/85,279.95
  6. Step 6: Final answer
    x = 64,916.19

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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.