Home / 83,358.72-115,033.68-45,632.16

Finding the Fourth Proportional to 83,358.72, 115,033.68 and 45,632.16

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Solution

The fourth proportional to 83,358.72, 115,033.68 and 45,632.16 is: 62,971.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,358.72 : 115,033.68 = 45,632.16 : x
  2. Step 2: Convert to fraction form
    83,358.72/115,033.68 = 45,632.16/x
  3. Step 3: Cross multiply
    83,358.72x = 115,033.68 × 45,632.16
  4. Step 4: Simplify right side
    83,358.72x = 5,249,235,291.15
  5. Step 5: Solve for x
    x = 5,249,235,291.15/83,358.72
  6. Step 6: Final answer
    x = 62,971.64

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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.