Home / 88,097.38-121,574.44-47,811.13

Finding the Fourth Proportional to 88,097.38, 121,574.44 and 47,811.13

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Solution

The fourth proportional to 88,097.38, 121,574.44 and 47,811.13 is: 65,979.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,097.38 : 121,574.44 = 47,811.13 : x
  2. Step 2: Convert to fraction form
    88,097.38/121,574.44 = 47,811.13/x
  3. Step 3: Cross multiply
    88,097.38x = 121,574.44 × 47,811.13
  4. Step 4: Simplify right side
    88,097.38x = 5,812,611,051.58
  5. Step 5: Solve for x
    x = 5,812,611,051.58/88,097.38
  6. Step 6: Final answer
    x = 65,979.39

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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.