Home / 86,500.04-119,437.62-67,690.76

Finding the Fourth Proportional to 86,500.04, 119,437.62 and 67,690.76

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Solution

The fourth proportional to 86,500.04, 119,437.62 and 67,690.76 is: 93,466.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,500.04 : 119,437.62 = 67,690.76 : x
  2. Step 2: Convert to fraction form
    86,500.04/119,437.62 = 67,690.76/x
  3. Step 3: Cross multiply
    86,500.04x = 119,437.62 × 67,690.76
  4. Step 4: Simplify right side
    86,500.04x = 8,084,823,270.39
  5. Step 5: Solve for x
    x = 8,084,823,270.39/86,500.04
  6. Step 6: Final answer
    x = 93,466.12

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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.