Home / 88,248.21-121,800.24-52,431.32

Finding the Fourth Proportional to 88,248.21, 121,800.24 and 52,431.32

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Solution

The fourth proportional to 88,248.21, 121,800.24 and 52,431.32 is: 72,365.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,248.21 : 121,800.24 = 52,431.32 : x
  2. Step 2: Convert to fraction form
    88,248.21/121,800.24 = 52,431.32/x
  3. Step 3: Cross multiply
    88,248.21x = 121,800.24 × 52,431.32
  4. Step 4: Simplify right side
    88,248.21x = 6,386,147,097.36
  5. Step 5: Solve for x
    x = 6,386,147,097.36/88,248.21
  6. Step 6: Final answer
    x = 72,365.74

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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.