Home / 75,016.08-103,486.95-53,510.58

Finding the Fourth Proportional to 75,016.08, 103,486.95 and 53,510.58

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Solution

The fourth proportional to 75,016.08, 103,486.95 and 53,510.58 is: 73,819.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,016.08 : 103,486.95 = 53,510.58 : x
  2. Step 2: Convert to fraction form
    75,016.08/103,486.95 = 53,510.58/x
  3. Step 3: Cross multiply
    75,016.08x = 103,486.95 × 53,510.58
  4. Step 4: Simplify right side
    75,016.08x = 5,537,646,716.93
  5. Step 5: Solve for x
    x = 5,537,646,716.93/75,016.08
  6. Step 6: Final answer
    x = 73,819.46

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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.