Home / 124,006.32-171,142.11-70,285.59

Finding the Fourth Proportional to 124,006.32, 171,142.11 and 70,285.59

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Solution

The fourth proportional to 124,006.32, 171,142.11 and 70,285.59 is: 97,001.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,006.32 : 171,142.11 = 70,285.59 : x
  2. Step 2: Convert to fraction form
    124,006.32/171,142.11 = 70,285.59/x
  3. Step 3: Cross multiply
    124,006.32x = 171,142.11 × 70,285.59
  4. Step 4: Simplify right side
    124,006.32x = 12,028,824,175.19
  5. Step 5: Solve for x
    x = 12,028,824,175.19/124,006.32
  6. Step 6: Final answer
    x = 97,001.70

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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.