Home / 124,486.90-171,806.44-70,779.96

Finding the Fourth Proportional to 124,486.90, 171,806.44 and 70,779.96

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Solution

The fourth proportional to 124,486.90, 171,806.44 and 70,779.96 is: 97,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,486.90 : 171,806.44 = 70,779.96 : x
  2. Step 2: Convert to fraction form
    124,486.90/171,806.44 = 70,779.96/x
  3. Step 3: Cross multiply
    124,486.90x = 171,806.44 × 70,779.96
  4. Step 4: Simplify right side
    124,486.90x = 12,160,452,950.94
  5. Step 5: Solve for x
    x = 12,160,452,950.94/124,486.90
  6. Step 6: Final answer
    x = 97,684.60

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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.