Home / 92,907.20-128,209.23-50,465.63

Finding the Fourth Proportional to 92,907.20, 128,209.23 and 50,465.63

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Solution

The fourth proportional to 92,907.20, 128,209.23 and 50,465.63 is: 69,641.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,907.20 : 128,209.23 = 50,465.63 : x
  2. Step 2: Convert to fraction form
    92,907.20/128,209.23 = 50,465.63/x
  3. Step 3: Cross multiply
    92,907.20x = 128,209.23 × 50,465.63
  4. Step 4: Simplify right side
    92,907.20x = 6,470,159,884.29
  5. Step 5: Solve for x
    x = 6,470,159,884.29/92,907.20
  6. Step 6: Final answer
    x = 69,641.10

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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.