Home / 74,434.07-102,720.98-42,613.22

Finding the Fourth Proportional to 74,434.07, 102,720.98 and 42,613.22

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Solution

The fourth proportional to 74,434.07, 102,720.98 and 42,613.22 is: 58,807.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,434.07 : 102,720.98 = 42,613.22 : x
  2. Step 2: Convert to fraction form
    74,434.07/102,720.98 = 42,613.22/x
  3. Step 3: Cross multiply
    74,434.07x = 102,720.98 × 42,613.22
  4. Step 4: Simplify right side
    74,434.07x = 4,377,271,506.29
  5. Step 5: Solve for x
    x = 4,377,271,506.29/74,434.07
  6. Step 6: Final answer
    x = 58,807.36

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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.