Home / 124,542.09-171,871.88-70,834.84

Finding the Fourth Proportional to 124,542.09, 171,871.88 and 70,834.84

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Solution

The fourth proportional to 124,542.09, 171,871.88 and 70,834.84 is: 97,754.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,542.09 : 171,871.88 = 70,834.84 : x
  2. Step 2: Convert to fraction form
    124,542.09/171,871.88 = 70,834.84/x
  3. Step 3: Cross multiply
    124,542.09x = 171,871.88 × 70,834.84
  4. Step 4: Simplify right side
    124,542.09x = 12,174,516,336.45
  5. Step 5: Solve for x
    x = 12,174,516,336.45/124,542.09
  6. Step 6: Final answer
    x = 97,754.23

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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.