Home / 94,209.12-130,026.96-62,379.36

Finding the Fourth Proportional to 94,209.12, 130,026.96 and 62,379.36

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Solution

The fourth proportional to 94,209.12, 130,026.96 and 62,379.36 is: 86,095.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,209.12 : 130,026.96 = 62,379.36 : x
  2. Step 2: Convert to fraction form
    94,209.12/130,026.96 = 62,379.36/x
  3. Step 3: Cross multiply
    94,209.12x = 130,026.96 × 62,379.36
  4. Step 4: Simplify right side
    94,209.12x = 8,110,998,547.55
  5. Step 5: Solve for x
    x = 8,110,998,547.55/94,209.12
  6. Step 6: Final answer
    x = 86,095.68

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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.