Home / 81,548.80-112,528.86-47,548.24

Finding the Fourth Proportional to 81,548.80, 112,528.86 and 47,548.24

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Solution

The fourth proportional to 81,548.80, 112,528.86 and 47,548.24 is: 65,611.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,548.80 : 112,528.86 = 47,548.24 : x
  2. Step 2: Convert to fraction form
    81,548.80/112,528.86 = 47,548.24/x
  3. Step 3: Cross multiply
    81,548.80x = 112,528.86 × 47,548.24
  4. Step 4: Simplify right side
    81,548.80x = 5,350,549,242.21
  5. Step 5: Solve for x
    x = 5,350,549,242.21/81,548.80
  6. Step 6: Final answer
    x = 65,611.62

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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.