Home / 124,924.42-172,412.40-70,487.79

Finding the Fourth Proportional to 124,924.42, 172,412.40 and 70,487.79

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Solution

The fourth proportional to 124,924.42, 172,412.40 and 70,487.79 is: 97,282.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,924.42 : 172,412.40 = 70,487.79 : x
  2. Step 2: Convert to fraction form
    124,924.42/172,412.40 = 70,487.79/x
  3. Step 3: Cross multiply
    124,924.42x = 172,412.40 × 70,487.79
  4. Step 4: Simplify right side
    124,924.42x = 12,152,969,044.60
  5. Step 5: Solve for x
    x = 12,152,969,044.60/124,924.42
  6. Step 6: Final answer
    x = 97,282.57

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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.