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Finding the Fourth Proportional to 56,662.93, 78,199.10 and 34,002.91

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Solution

The fourth proportional to 56,662.93, 78,199.10 and 34,002.91 is: 46,926.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,662.93 : 78,199.10 = 34,002.91 : x
  2. Step 2: Convert to fraction form
    56,662.93/78,199.10 = 34,002.91/x
  3. Step 3: Cross multiply
    56,662.93x = 78,199.10 × 34,002.91
  4. Step 4: Simplify right side
    56,662.93x = 2,658,996,959.38
  5. Step 5: Solve for x
    x = 2,658,996,959.38/56,662.93
  6. Step 6: Final answer
    x = 46,926.57

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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.