Home / 51,203.04-70,660.52-28,543.47

Finding the Fourth Proportional to 51,203.04, 70,660.52 and 28,543.47

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Solution

The fourth proportional to 51,203.04, 70,660.52 and 28,543.47 is: 39,390.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,203.04 : 70,660.52 = 28,543.47 : x
  2. Step 2: Convert to fraction form
    51,203.04/70,660.52 = 28,543.47/x
  3. Step 3: Cross multiply
    51,203.04x = 70,660.52 × 28,543.47
  4. Step 4: Simplify right side
    51,203.04x = 2,016,896,432.80
  5. Step 5: Solve for x
    x = 2,016,896,432.80/51,203.04
  6. Step 6: Final answer
    x = 39,390.17

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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.