Home / 88,011.14-121,461.81-50,284.58

Finding the Fourth Proportional to 88,011.14, 121,461.81 and 50,284.58

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Solution

The fourth proportional to 88,011.14, 121,461.81 and 50,284.58 is: 69,396.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,011.14 : 121,461.81 = 50,284.58 : x
  2. Step 2: Convert to fraction form
    88,011.14/121,461.81 = 50,284.58/x
  3. Step 3: Cross multiply
    88,011.14x = 121,461.81 × 50,284.58
  4. Step 4: Simplify right side
    88,011.14x = 6,107,656,101.89
  5. Step 5: Solve for x
    x = 6,107,656,101.89/88,011.14
  6. Step 6: Final answer
    x = 69,396.40

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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.