Home / 124,402.32-171,669-70,680.24

Finding the Fourth Proportional to 124,402.32, 171,669 and 70,680.24

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Solution

The fourth proportional to 124,402.32, 171,669 and 70,680.24 is: 97,535.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,402.32 : 171,669 = 70,680.24 : x
  2. Step 2: Convert to fraction form
    124,402.32/171,669 = 70,680.24/x
  3. Step 3: Cross multiply
    124,402.32x = 171,669 × 70,680.24
  4. Step 4: Simplify right side
    124,402.32x = 12,133,606,120.56
  5. Step 5: Solve for x
    x = 12,133,606,120.56/124,402.32
  6. Step 6: Final answer
    x = 97,535.21

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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.