Home / 124,479.21-171,780.53-70,764.24

Finding the Fourth Proportional to 124,479.21, 171,780.53 and 70,764.24

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Solution

The fourth proportional to 124,479.21, 171,780.53 and 70,764.24 is: 97,654.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,479.21 : 171,780.53 = 70,764.24 : x
  2. Step 2: Convert to fraction form
    124,479.21/171,780.53 = 70,764.24/x
  3. Step 3: Cross multiply
    124,479.21x = 171,780.53 × 70,764.24
  4. Step 4: Simplify right side
    124,479.21x = 12,155,918,652.25
  5. Step 5: Solve for x
    x = 12,155,918,652.25/124,479.21
  6. Step 6: Final answer
    x = 97,654.21

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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.