Home / 124,568.40-171,908.16-70,861.12

Finding the Fourth Proportional to 124,568.40, 171,908.16 and 70,861.12

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Solution

The fourth proportional to 124,568.40, 171,908.16 and 70,861.12 is: 97,790.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,568.40 : 171,908.16 = 70,861.12 : x
  2. Step 2: Convert to fraction form
    124,568.40/171,908.16 = 70,861.12/x
  3. Step 3: Cross multiply
    124,568.40x = 171,908.16 × 70,861.12
  4. Step 4: Simplify right side
    124,568.40x = 12,181,604,754.74
  5. Step 5: Solve for x
    x = 12,181,604,754.74/124,568.40
  6. Step 6: Final answer
    x = 97,790.49

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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.