Home / 94,021.18-129,758.05-53,727.07

Finding the Fourth Proportional to 94,021.18, 129,758.05 and 53,727.07

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Solution

The fourth proportional to 94,021.18, 129,758.05 and 53,727.07 is: 74,148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,021.18 : 129,758.05 = 53,727.07 : x
  2. Step 2: Convert to fraction form
    94,021.18/129,758.05 = 53,727.07/x
  3. Step 3: Cross multiply
    94,021.18x = 129,758.05 × 53,727.07
  4. Step 4: Simplify right side
    94,021.18x = 6,971,520,186.42
  5. Step 5: Solve for x
    x = 6,971,520,186.42/94,021.18
  6. Step 6: Final answer
    x = 74,148.40

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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.