Home / 108,682.16-149,953.01-62,730.55

Finding the Fourth Proportional to 108,682.16, 149,953.01 and 62,730.55

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Solution

The fourth proportional to 108,682.16, 149,953.01 and 62,730.55 is: 86,551.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,682.16 : 149,953.01 = 62,730.55 : x
  2. Step 2: Convert to fraction form
    108,682.16/149,953.01 = 62,730.55/x
  3. Step 3: Cross multiply
    108,682.16x = 149,953.01 × 62,730.55
  4. Step 4: Simplify right side
    108,682.16x = 9,406,634,665.24
  5. Step 5: Solve for x
    x = 9,406,634,665.24/108,682.16
  6. Step 6: Final answer
    x = 86,551.79

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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.