Home / 48,421.08-72,742.32-46,430.64

Finding the Fourth Proportional to 48,421.08, 72,742.32 and 46,430.64

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Solution

The fourth proportional to 48,421.08, 72,742.32 and 46,430.64 is: 69,752.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,421.08 : 72,742.32 = 46,430.64 : x
  2. Step 2: Convert to fraction form
    48,421.08/72,742.32 = 46,430.64/x
  3. Step 3: Cross multiply
    48,421.08x = 72,742.32 × 46,430.64
  4. Step 4: Simplify right side
    48,421.08x = 3,377,472,472.68
  5. Step 5: Solve for x
    x = 3,377,472,472.68/48,421.08
  6. Step 6: Final answer
    x = 69,752.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.