Home / 82,200.04-113,332.76-67,077.32

Finding the Fourth Proportional to 82,200.04, 113,332.76 and 67,077.32

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Solution

The fourth proportional to 82,200.04, 113,332.76 and 67,077.32 is: 92,482.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,200.04 : 113,332.76 = 67,077.32 : x
  2. Step 2: Convert to fraction form
    82,200.04/113,332.76 = 67,077.32/x
  3. Step 3: Cross multiply
    82,200.04x = 113,332.76 × 67,077.32
  4. Step 4: Simplify right side
    82,200.04x = 7,602,057,809.00
  5. Step 5: Solve for x
    x = 7,602,057,809.00/82,200.04
  6. Step 6: Final answer
    x = 92,482.41

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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.