Home / 124,763.99-172,182.47-70,329.56

Finding the Fourth Proportional to 124,763.99, 172,182.47 and 70,329.56

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Solution

The fourth proportional to 124,763.99, 172,182.47 and 70,329.56 is: 97,059.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,763.99 : 172,182.47 = 70,329.56 : x
  2. Step 2: Convert to fraction form
    124,763.99/172,182.47 = 70,329.56/x
  3. Step 3: Cross multiply
    124,763.99x = 172,182.47 × 70,329.56
  4. Step 4: Simplify right side
    124,763.99x = 12,109,516,142.25
  5. Step 5: Solve for x
    x = 12,109,516,142.25/124,763.99
  6. Step 6: Final answer
    x = 97,059.39

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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.