Home / 82,779.28-114,235.08-45,053.84

Finding the Fourth Proportional to 82,779.28, 114,235.08 and 45,053.84

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Solution

The fourth proportional to 82,779.28, 114,235.08 and 45,053.84 is: 62,174.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,779.28 : 114,235.08 = 45,053.84 : x
  2. Step 2: Convert to fraction form
    82,779.28/114,235.08 = 45,053.84/x
  3. Step 3: Cross multiply
    82,779.28x = 114,235.08 × 45,053.84
  4. Step 4: Simplify right side
    82,779.28x = 5,146,729,016.71
  5. Step 5: Solve for x
    x = 5,146,729,016.71/82,779.28
  6. Step 6: Final answer
    x = 62,174.12

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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.