Home / 76,326.03-105,261.02-47,648.34

Finding the Fourth Proportional to 76,326.03, 105,261.02 and 47,648.34

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Solution

The fourth proportional to 76,326.03, 105,261.02 and 47,648.34 is: 65,711.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,326.03 : 105,261.02 = 47,648.34 : x
  2. Step 2: Convert to fraction form
    76,326.03/105,261.02 = 47,648.34/x
  3. Step 3: Cross multiply
    76,326.03x = 105,261.02 × 47,648.34
  4. Step 4: Simplify right side
    76,326.03x = 5,015,512,631.47
  5. Step 5: Solve for x
    x = 5,015,512,631.47/76,326.03
  6. Step 6: Final answer
    x = 65,711.69

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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.