Home / 92,926.49-128,239.17-50,485.01

Finding the Fourth Proportional to 92,926.49, 128,239.17 and 50,485.01

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Solution

The fourth proportional to 92,926.49, 128,239.17 and 50,485.01 is: 69,669.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,926.49 : 128,239.17 = 50,485.01 : x
  2. Step 2: Convert to fraction form
    92,926.49/128,239.17 = 50,485.01/x
  3. Step 3: Cross multiply
    92,926.49x = 128,239.17 × 50,485.01
  4. Step 4: Simplify right side
    92,926.49x = 6,474,155,779.84
  5. Step 5: Solve for x
    x = 6,474,155,779.84/92,926.49
  6. Step 6: Final answer
    x = 69,669.65

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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.