Home / 92,769.42-128,021.81-52,482.35

Finding the Fourth Proportional to 92,769.42, 128,021.81 and 52,482.35

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Solution

The fourth proportional to 92,769.42, 128,021.81 and 52,482.35 is: 72,425.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,769.42 : 128,021.81 = 52,482.35 : x
  2. Step 2: Convert to fraction form
    92,769.42/128,021.81 = 52,482.35/x
  3. Step 3: Cross multiply
    92,769.42x = 128,021.81 × 52,482.35
  4. Step 4: Simplify right side
    92,769.42x = 6,718,885,440.05
  5. Step 5: Solve for x
    x = 6,718,885,440.05/92,769.42
  6. Step 6: Final answer
    x = 72,425.65

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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.