Home / 92,877.76-128,171.80-52,599.36

Finding the Fourth Proportional to 92,877.76, 128,171.80 and 52,599.36

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Solution

The fourth proportional to 92,877.76, 128,171.80 and 52,599.36 is: 72,587.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,877.76 : 128,171.80 = 52,599.36 : x
  2. Step 2: Convert to fraction form
    92,877.76/128,171.80 = 52,599.36/x
  3. Step 3: Cross multiply
    92,877.76x = 128,171.80 × 52,599.36
  4. Step 4: Simplify right side
    92,877.76x = 6,741,754,179.60
  5. Step 5: Solve for x
    x = 6,741,754,179.60/92,877.76
  6. Step 6: Final answer
    x = 72,587.39

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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.