Home / 71,455.59-98,551.62-48,820.14

Finding the Fourth Proportional to 71,455.59, 98,551.62 and 48,820.14

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Solution

The fourth proportional to 71,455.59, 98,551.62 and 48,820.14 is: 67,332.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,455.59 : 98,551.62 = 48,820.14 : x
  2. Step 2: Convert to fraction form
    71,455.59/98,551.62 = 48,820.14/x
  3. Step 3: Cross multiply
    71,455.59x = 98,551.62 × 48,820.14
  4. Step 4: Simplify right side
    71,455.59x = 4,811,303,885.63
  5. Step 5: Solve for x
    x = 4,811,303,885.63/71,455.59
  6. Step 6: Final answer
    x = 67,332.79

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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.