Home / 125,116.24-172,660.51-67,756.01

Finding the Fourth Proportional to 125,116.24, 172,660.51 and 67,756.01

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Solution

The fourth proportional to 125,116.24, 172,660.51 and 67,756.01 is: 93,503.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,116.24 : 172,660.51 = 67,756.01 : x
  2. Step 2: Convert to fraction form
    125,116.24/172,660.51 = 67,756.01/x
  3. Step 3: Cross multiply
    125,116.24x = 172,660.51 × 67,756.01
  4. Step 4: Simplify right side
    125,116.24x = 11,698,786,903.39
  5. Step 5: Solve for x
    x = 11,698,786,903.39/125,116.24
  6. Step 6: Final answer
    x = 93,503.34

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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.