Home / 93,972.42-129,681.81-51,530.94

Finding the Fourth Proportional to 93,972.42, 129,681.81 and 51,530.94

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Solution

The fourth proportional to 93,972.42, 129,681.81 and 51,530.94 is: 71,112.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,972.42 : 129,681.81 = 51,530.94 : x
  2. Step 2: Convert to fraction form
    93,972.42/129,681.81 = 51,530.94/x
  3. Step 3: Cross multiply
    93,972.42x = 129,681.81 × 51,530.94
  4. Step 4: Simplify right side
    93,972.42x = 6,682,625,570.20
  5. Step 5: Solve for x
    x = 6,682,625,570.20/93,972.42
  6. Step 6: Final answer
    x = 71,112.63

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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.