Home / 75,095.39-103,507.91-53,299.20

Finding the Fourth Proportional to 75,095.39, 103,507.91 and 53,299.20

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Solution

The fourth proportional to 75,095.39, 103,507.91 and 53,299.20 is: 73,465.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,095.39 : 103,507.91 = 53,299.20 : x
  2. Step 2: Convert to fraction form
    75,095.39/103,507.91 = 53,299.20/x
  3. Step 3: Cross multiply
    75,095.39x = 103,507.91 × 53,299.20
  4. Step 4: Simplify right side
    75,095.39x = 5,516,888,530.18
  5. Step 5: Solve for x
    x = 5,516,888,530.18/75,095.39
  6. Step 6: Final answer
    x = 73,465.08

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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.