Home / 82,985.76-114,521.04-45,259.92

Finding the Fourth Proportional to 82,985.76, 114,521.04 and 45,259.92

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Solution

The fourth proportional to 82,985.76, 114,521.04 and 45,259.92 is: 62,459.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,985.76 : 114,521.04 = 45,259.92 : x
  2. Step 2: Convert to fraction form
    82,985.76/114,521.04 = 45,259.92/x
  3. Step 3: Cross multiply
    82,985.76x = 114,521.04 × 45,259.92
  4. Step 4: Simplify right side
    82,985.76x = 5,183,213,108.72
  5. Step 5: Solve for x
    x = 5,183,213,108.72/82,985.76
  6. Step 6: Final answer
    x = 62,459.07

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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.