Home / 55,261.71-76,180.86-38,240.01

Finding the Fourth Proportional to 55,261.71, 76,180.86 and 38,240.01

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Solution

The fourth proportional to 55,261.71, 76,180.86 and 38,240.01 is: 52,715.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,261.71 : 76,180.86 = 38,240.01 : x
  2. Step 2: Convert to fraction form
    55,261.71/76,180.86 = 38,240.01/x
  3. Step 3: Cross multiply
    55,261.71x = 76,180.86 × 38,240.01
  4. Step 4: Simplify right side
    55,261.71x = 2,913,156,848.21
  5. Step 5: Solve for x
    x = 2,913,156,848.21/55,261.71
  6. Step 6: Final answer
    x = 52,715.65

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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.