Home / 75,144.72-103,708.69-46,483.40

Finding the Fourth Proportional to 75,144.72, 103,708.69 and 46,483.40

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Solution

The fourth proportional to 75,144.72, 103,708.69 and 46,483.40 is: 64,152.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,144.72 : 103,708.69 = 46,483.40 : x
  2. Step 2: Convert to fraction form
    75,144.72/103,708.69 = 46,483.40/x
  3. Step 3: Cross multiply
    75,144.72x = 103,708.69 × 46,483.40
  4. Step 4: Simplify right side
    75,144.72x = 4,820,732,663.81
  5. Step 5: Solve for x
    x = 4,820,732,663.81/75,144.72
  6. Step 6: Final answer
    x = 64,152.64

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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.