Home / 92,977.29-128,307.69-50,535.51

Finding the Fourth Proportional to 92,977.29, 128,307.69 and 50,535.51

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Solution

The fourth proportional to 92,977.29, 128,307.69 and 50,535.51 is: 69,738.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,977.29 : 128,307.69 = 50,535.51 : x
  2. Step 2: Convert to fraction form
    92,977.29/128,307.69 = 50,535.51/x
  3. Step 3: Cross multiply
    92,977.29x = 128,307.69 × 50,535.51
  4. Step 4: Simplify right side
    92,977.29x = 6,484,094,551.07
  5. Step 5: Solve for x
    x = 6,484,094,551.07/92,977.29
  6. Step 6: Final answer
    x = 69,738.48

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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.