Home / 72,893.07-100,592.64-42,272.10

Finding the Fourth Proportional to 72,893.07, 100,592.64 and 42,272.10

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Solution

The fourth proportional to 72,893.07, 100,592.64 and 42,272.10 is: 58,335.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,893.07 : 100,592.64 = 42,272.10 : x
  2. Step 2: Convert to fraction form
    72,893.07/100,592.64 = 42,272.10/x
  3. Step 3: Cross multiply
    72,893.07x = 100,592.64 × 42,272.10
  4. Step 4: Simplify right side
    72,893.07x = 4,252,262,137.34
  5. Step 5: Solve for x
    x = 4,252,262,137.34/72,893.07
  6. Step 6: Final answer
    x = 58,335.62

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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.