Home / 91,013.10-125,582.85-50,718.03

Finding the Fourth Proportional to 91,013.10, 125,582.85 and 50,718.03

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Solution

The fourth proportional to 91,013.10, 125,582.85 and 50,718.03 is: 69,982.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,013.10 : 125,582.85 = 50,718.03 : x
  2. Step 2: Convert to fraction form
    91,013.10/125,582.85 = 50,718.03/x
  3. Step 3: Cross multiply
    91,013.10x = 125,582.85 × 50,718.03
  4. Step 4: Simplify right side
    91,013.10x = 6,369,314,753.79
  5. Step 5: Solve for x
    x = 6,369,314,753.79/91,013.10
  6. Step 6: Final answer
    x = 69,982.40

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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.