Home / 75,032.68-103,558.95-48,208.72

Finding the Fourth Proportional to 75,032.68, 103,558.95 and 48,208.72

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Solution

The fourth proportional to 75,032.68, 103,558.95 and 48,208.72 is: 66,536.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,032.68 : 103,558.95 = 48,208.72 : x
  2. Step 2: Convert to fraction form
    75,032.68/103,558.95 = 48,208.72/x
  3. Step 3: Cross multiply
    75,032.68x = 103,558.95 × 48,208.72
  4. Step 4: Simplify right side
    75,032.68x = 4,992,444,424.04
  5. Step 5: Solve for x
    x = 4,992,444,424.04/75,032.68
  6. Step 6: Final answer
    x = 66,536.93

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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.