Home / 86,932.95-130,384.00-39,536.94

Finding the Fourth Proportional to 86,932.95, 130,384.00 and 39,536.94

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Solution

The fourth proportional to 86,932.95, 130,384.00 and 39,536.94 is: 59,298.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,932.95 : 130,384.00 = 39,536.94 : x
  2. Step 2: Convert to fraction form
    86,932.95/130,384.00 = 39,536.94/x
  3. Step 3: Cross multiply
    86,932.95x = 130,384.00 × 39,536.94
  4. Step 4: Simplify right side
    86,932.95x = 5,154,983,934.40
  5. Step 5: Solve for x
    x = 5,154,983,934.40/86,932.95
  6. Step 6: Final answer
    x = 59,298.39

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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.