Home / 73,975.08-102,083.52-42,154.20

Finding the Fourth Proportional to 73,975.08, 102,083.52 and 42,154.20

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Solution

The fourth proportional to 73,975.08, 102,083.52 and 42,154.20 is: 58,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,975.08 : 102,083.52 = 42,154.20 : x
  2. Step 2: Convert to fraction form
    73,975.08/102,083.52 = 42,154.20/x
  3. Step 3: Cross multiply
    73,975.08x = 102,083.52 × 42,154.20
  4. Step 4: Simplify right side
    73,975.08x = 4,303,249,118.78
  5. Step 5: Solve for x
    x = 4,303,249,118.78/73,975.08
  6. Step 6: Final answer
    x = 58,171.60

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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.