Home / 124,529.70-171,850.16-70,814.72

Finding the Fourth Proportional to 124,529.70, 171,850.16 and 70,814.72

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Solution

The fourth proportional to 124,529.70, 171,850.16 and 70,814.72 is: 97,723.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,529.70 : 171,850.16 = 70,814.72 : x
  2. Step 2: Convert to fraction form
    124,529.70/171,850.16 = 70,814.72/x
  3. Step 3: Cross multiply
    124,529.70x = 171,850.16 × 70,814.72
  4. Step 4: Simplify right side
    124,529.70x = 12,169,520,962.36
  5. Step 5: Solve for x
    x = 12,169,520,962.36/124,529.70
  6. Step 6: Final answer
    x = 97,723.84

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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.