Home / 81,460.48-112,263.36-63,527.20

Finding the Fourth Proportional to 81,460.48, 112,263.36 and 63,527.20

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Solution

The fourth proportional to 81,460.48, 112,263.36 and 63,527.20 is: 87,548.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,460.48 : 112,263.36 = 63,527.20 : x
  2. Step 2: Convert to fraction form
    81,460.48/112,263.36 = 63,527.20/x
  3. Step 3: Cross multiply
    81,460.48x = 112,263.36 × 63,527.20
  4. Step 4: Simplify right side
    81,460.48x = 7,131,776,923.39
  5. Step 5: Solve for x
    x = 7,131,776,923.39/81,460.48
  6. Step 6: Final answer
    x = 87,548.92

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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.