Home / 91,202.32-125,859.72-53,477.20

Finding the Fourth Proportional to 91,202.32, 125,859.72 and 53,477.20

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Solution

The fourth proportional to 91,202.32, 125,859.72 and 53,477.20 is: 73,798.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,202.32 : 125,859.72 = 53,477.20 : x
  2. Step 2: Convert to fraction form
    91,202.32/125,859.72 = 53,477.20/x
  3. Step 3: Cross multiply
    91,202.32x = 125,859.72 × 53,477.20
  4. Step 4: Simplify right side
    91,202.32x = 6,730,625,418.38
  5. Step 5: Solve for x
    x = 6,730,625,418.38/91,202.32
  6. Step 6: Final answer
    x = 73,798.84

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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.