Home / 82,947.16-124,440.18-36,213.40

Finding the Fourth Proportional to 82,947.16, 124,440.18 and 36,213.40

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Solution

The fourth proportional to 82,947.16, 124,440.18 and 36,213.40 is: 54,328.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,947.16 : 124,440.18 = 36,213.40 : x
  2. Step 2: Convert to fraction form
    82,947.16/124,440.18 = 36,213.40/x
  3. Step 3: Cross multiply
    82,947.16x = 124,440.18 × 36,213.40
  4. Step 4: Simplify right side
    82,947.16x = 4,506,402,014.41
  5. Step 5: Solve for x
    x = 4,506,402,014.41/82,947.16
  6. Step 6: Final answer
    x = 54,328.59

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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.