Home / 86,497.04-119,433.48-67,687.76

Finding the Fourth Proportional to 86,497.04, 119,433.48 and 67,687.76

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Solution

The fourth proportional to 86,497.04, 119,433.48 and 67,687.76 is: 93,461.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,497.04 : 119,433.48 = 67,687.76 : x
  2. Step 2: Convert to fraction form
    86,497.04/119,433.48 = 67,687.76/x
  3. Step 3: Cross multiply
    86,497.04x = 119,433.48 × 67,687.76
  4. Step 4: Simplify right side
    86,497.04x = 8,084,184,730.20
  5. Step 5: Solve for x
    x = 8,084,184,730.20/86,497.04
  6. Step 6: Final answer
    x = 93,461.98

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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.