Home / 75,455.57-104,160.60-50,931.69

Finding the Fourth Proportional to 75,455.57, 104,160.60 and 50,931.69

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Solution

The fourth proportional to 75,455.57, 104,160.60 and 50,931.69 is: 70,307.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,455.57 : 104,160.60 = 50,931.69 : x
  2. Step 2: Convert to fraction form
    75,455.57/104,160.60 = 50,931.69/x
  3. Step 3: Cross multiply
    75,455.57x = 104,160.60 × 50,931.69
  4. Step 4: Simplify right side
    75,455.57x = 5,305,075,389.41
  5. Step 5: Solve for x
    x = 5,305,075,389.41/75,455.57
  6. Step 6: Final answer
    x = 70,307.28

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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.