Home / 84,288.68-126,432.54-34,368.58

Finding the Fourth Proportional to 84,288.68, 126,432.54 and 34,368.58

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Solution

The fourth proportional to 84,288.68, 126,432.54 and 34,368.58 is: 51,552.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,288.68 : 126,432.54 = 34,368.58 : x
  2. Step 2: Convert to fraction form
    84,288.68/126,432.54 = 34,368.58/x
  3. Step 3: Cross multiply
    84,288.68x = 126,432.54 × 34,368.58
  4. Step 4: Simplify right side
    84,288.68x = 4,345,306,549.51
  5. Step 5: Solve for x
    x = 4,345,306,549.51/84,288.68
  6. Step 6: Final answer
    x = 51,552.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.