Home / 116,417.40-174,480-49,779.18

Finding the Fourth Proportional to 116,417.40, 174,480 and 49,779.18

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Solution

The fourth proportional to 116,417.40, 174,480 and 49,779.18 is: 74,606.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,417.40 : 174,480 = 49,779.18 : x
  2. Step 2: Convert to fraction form
    116,417.40/174,480 = 49,779.18/x
  3. Step 3: Cross multiply
    116,417.40x = 174,480 × 49,779.18
  4. Step 4: Simplify right side
    116,417.40x = 8,685,471,326.40
  5. Step 5: Solve for x
    x = 8,685,471,326.40/116,417.40
  6. Step 6: Final answer
    x = 74,606.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.