Home / 82,312.11-113,599.13-59,360.90

Finding the Fourth Proportional to 82,312.11, 113,599.13 and 59,360.90

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Solution

The fourth proportional to 82,312.11, 113,599.13 and 59,360.90 is: 81,924.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,312.11 : 113,599.13 = 59,360.90 : x
  2. Step 2: Convert to fraction form
    82,312.11/113,599.13 = 59,360.90/x
  3. Step 3: Cross multiply
    82,312.11x = 113,599.13 × 59,360.90
  4. Step 4: Simplify right side
    82,312.11x = 6,743,345,731.22
  5. Step 5: Solve for x
    x = 6,743,345,731.22/82,312.11
  6. Step 6: Final answer
    x = 81,924.10

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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.