Home / 92,977.07-128,307.65-50,535.90

Finding the Fourth Proportional to 92,977.07, 128,307.65 and 50,535.90

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Solution

The fourth proportional to 92,977.07, 128,307.65 and 50,535.90 is: 69,739.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,977.07 : 128,307.65 = 50,535.90 : x
  2. Step 2: Convert to fraction form
    92,977.07/128,307.65 = 50,535.90/x
  3. Step 3: Cross multiply
    92,977.07x = 128,307.65 × 50,535.90
  4. Step 4: Simplify right side
    92,977.07x = 6,484,142,316.96
  5. Step 5: Solve for x
    x = 6,484,142,316.96/92,977.07
  6. Step 6: Final answer
    x = 69,739.16

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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.