Home / 88,774.64-122,455.31-56,888.18

Finding the Fourth Proportional to 88,774.64, 122,455.31 and 56,888.18

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Solution

The fourth proportional to 88,774.64, 122,455.31 and 56,888.18 is: 78,471.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,774.64 : 122,455.31 = 56,888.18 : x
  2. Step 2: Convert to fraction form
    88,774.64/122,455.31 = 56,888.18/x
  3. Step 3: Cross multiply
    88,774.64x = 122,455.31 × 56,888.18
  4. Step 4: Simplify right side
    88,774.64x = 6,966,259,599.72
  5. Step 5: Solve for x
    x = 6,966,259,599.72/88,774.64
  6. Step 6: Final answer
    x = 78,471.28

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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.