Home / 90,368.16-124,707.90-49,532.26

Finding the Fourth Proportional to 90,368.16, 124,707.90 and 49,532.26

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Solution

The fourth proportional to 90,368.16, 124,707.90 and 49,532.26 is: 68,354.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,368.16 : 124,707.90 = 49,532.26 : x
  2. Step 2: Convert to fraction form
    90,368.16/124,707.90 = 49,532.26/x
  3. Step 3: Cross multiply
    90,368.16x = 124,707.90 × 49,532.26
  4. Step 4: Simplify right side
    90,368.16x = 6,177,064,126.85
  5. Step 5: Solve for x
    x = 6,177,064,126.85/90,368.16
  6. Step 6: Final answer
    x = 68,354.43

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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.