Home / 86,043.02-129,045.07-32,715.98

Finding the Fourth Proportional to 86,043.02, 129,045.07 and 32,715.98

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Solution

The fourth proportional to 86,043.02, 129,045.07 and 32,715.98 is: 49,066.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,043.02 : 129,045.07 = 32,715.98 : x
  2. Step 2: Convert to fraction form
    86,043.02/129,045.07 = 32,715.98/x
  3. Step 3: Cross multiply
    86,043.02x = 129,045.07 × 32,715.98
  4. Step 4: Simplify right side
    86,043.02x = 4,221,835,120.41
  5. Step 5: Solve for x
    x = 4,221,835,120.41/86,043.02
  6. Step 6: Final answer
    x = 49,066.56

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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.