Home / 91,011.16-125,595.12-50,724.46

Finding the Fourth Proportional to 91,011.16, 125,595.12 and 50,724.46

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Solution

The fourth proportional to 91,011.16, 125,595.12 and 50,724.46 is: 69,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,011.16 : 125,595.12 = 50,724.46 : x
  2. Step 2: Convert to fraction form
    91,011.16/125,595.12 = 50,724.46/x
  3. Step 3: Cross multiply
    91,011.16x = 125,595.12 × 50,724.46
  4. Step 4: Simplify right side
    91,011.16x = 6,370,744,640.64
  5. Step 5: Solve for x
    x = 6,370,744,640.64/91,011.16
  6. Step 6: Final answer
    x = 69,999.60

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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.