Home / 94,120.38-129,886.35-51,681.63

Finding the Fourth Proportional to 94,120.38, 129,886.35 and 51,681.63

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Solution

The fourth proportional to 94,120.38, 129,886.35 and 51,681.63 is: 71,320.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,120.38 : 129,886.35 = 51,681.63 : x
  2. Step 2: Convert to fraction form
    94,120.38/129,886.35 = 51,681.63/x
  3. Step 3: Cross multiply
    94,120.38x = 129,886.35 × 51,681.63
  4. Step 4: Simplify right side
    94,120.38x = 6,712,738,282.75
  5. Step 5: Solve for x
    x = 6,712,738,282.75/94,120.38
  6. Step 6: Final answer
    x = 71,320.77

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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.