Home / 124,486.40-171,805.73-70,779.44

Finding the Fourth Proportional to 124,486.40, 171,805.73 and 70,779.44

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Solution

The fourth proportional to 124,486.40, 171,805.73 and 70,779.44 is: 97,683.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,486.40 : 171,805.73 = 70,779.44 : x
  2. Step 2: Convert to fraction form
    124,486.40/171,805.73 = 70,779.44/x
  3. Step 3: Cross multiply
    124,486.40x = 171,805.73 × 70,779.44
  4. Step 4: Simplify right side
    124,486.40x = 12,160,312,145.27
  5. Step 5: Solve for x
    x = 12,160,312,145.27/124,486.40
  6. Step 6: Final answer
    x = 97,683.86

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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.