Home / 90,259.17-124,558.64-49,973.66

Finding the Fourth Proportional to 90,259.17, 124,558.64 and 49,973.66

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Solution

The fourth proportional to 90,259.17, 124,558.64 and 49,973.66 is: 68,964.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,259.17 : 124,558.64 = 49,973.66 : x
  2. Step 2: Convert to fraction form
    90,259.17/124,558.64 = 49,973.66/x
  3. Step 3: Cross multiply
    90,259.17x = 124,558.64 × 49,973.66
  4. Step 4: Simplify right side
    90,259.17x = 6,224,650,627.56
  5. Step 5: Solve for x
    x = 6,224,650,627.56/90,259.17
  6. Step 6: Final answer
    x = 68,964.19

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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.