Home / 124,440.90-171,728.01-67,852.28

Finding the Fourth Proportional to 124,440.90, 171,728.01 and 67,852.28

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Solution

The fourth proportional to 124,440.90, 171,728.01 and 67,852.28 is: 93,635.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,440.90 : 171,728.01 = 67,852.28 : x
  2. Step 2: Convert to fraction form
    124,440.90/171,728.01 = 67,852.28/x
  3. Step 3: Cross multiply
    124,440.90x = 171,728.01 × 67,852.28
  4. Step 4: Simplify right side
    124,440.90x = 11,652,136,159.72
  5. Step 5: Solve for x
    x = 11,652,136,159.72/124,440.90
  6. Step 6: Final answer
    x = 93,635.90

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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.