Home / 86,948.86-120,008.10-52,968.55

Finding the Fourth Proportional to 86,948.86, 120,008.10 and 52,968.55

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Solution

The fourth proportional to 86,948.86, 120,008.10 and 52,968.55 is: 73,107.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,948.86 : 120,008.10 = 52,968.55 : x
  2. Step 2: Convert to fraction form
    86,948.86/120,008.10 = 52,968.55/x
  3. Step 3: Cross multiply
    86,948.86x = 120,008.10 × 52,968.55
  4. Step 4: Simplify right side
    86,948.86x = 6,356,655,045.26
  5. Step 5: Solve for x
    x = 6,356,655,045.26/86,948.86
  6. Step 6: Final answer
    x = 73,107.97

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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.