Home / 90,746.13-125,222.49-50,457.40

Finding the Fourth Proportional to 90,746.13, 125,222.49 and 50,457.40

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Solution

The fourth proportional to 90,746.13, 125,222.49 and 50,457.40 is: 69,627.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,746.13 : 125,222.49 = 50,457.40 : x
  2. Step 2: Convert to fraction form
    90,746.13/125,222.49 = 50,457.40/x
  3. Step 3: Cross multiply
    90,746.13x = 125,222.49 × 50,457.40
  4. Step 4: Simplify right side
    90,746.13x = 6,318,401,266.93
  5. Step 5: Solve for x
    x = 6,318,401,266.93/90,746.13
  6. Step 6: Final answer
    x = 69,627.23

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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.