Home / 91,088.44-125,713.01-53,362.69

Finding the Fourth Proportional to 91,088.44, 125,713.01 and 53,362.69

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Solution

The fourth proportional to 91,088.44, 125,713.01 and 53,362.69 is: 73,646.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,088.44 : 125,713.01 = 53,362.69 : x
  2. Step 2: Convert to fraction form
    91,088.44/125,713.01 = 53,362.69/x
  3. Step 3: Cross multiply
    91,088.44x = 125,713.01 × 53,362.69
  4. Step 4: Simplify right side
    91,088.44x = 6,708,384,200.72
  5. Step 5: Solve for x
    x = 6,708,384,200.72/91,088.44
  6. Step 6: Final answer
    x = 73,646.93

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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.