Home / 91,011.80-125,596.86-50,728.12

Finding the Fourth Proportional to 91,011.80, 125,596.86 and 50,728.12

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Solution

The fourth proportional to 91,011.80, 125,596.86 and 50,728.12 is: 70,005.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,011.80 : 125,596.86 = 50,728.12 : x
  2. Step 2: Convert to fraction form
    91,011.80/125,596.86 = 50,728.12/x
  3. Step 3: Cross multiply
    91,011.80x = 125,596.86 × 50,728.12
  4. Step 4: Simplify right side
    91,011.80x = 6,371,292,271.71
  5. Step 5: Solve for x
    x = 6,371,292,271.71/91,011.80
  6. Step 6: Final answer
    x = 70,005.13

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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.