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Finding the Fourth Proportional to 94,818.71, 130,850.28 and 51,798.80

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Solution

The fourth proportional to 94,818.71, 130,850.28 and 51,798.80 is: 71,482.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,818.71 : 130,850.28 = 51,798.80 : x
  2. Step 2: Convert to fraction form
    94,818.71/130,850.28 = 51,798.80/x
  3. Step 3: Cross multiply
    94,818.71x = 130,850.28 × 51,798.80
  4. Step 4: Simplify right side
    94,818.71x = 6,777,886,829.41
  5. Step 5: Solve for x
    x = 6,777,886,829.41/94,818.71
  6. Step 6: Final answer
    x = 71,482.59

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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.