Home / 109,437.04-151,022.88-59,136

Finding the Fourth Proportional to 109,437.04, 151,022.88 and 59,136

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Solution

The fourth proportional to 109,437.04, 151,022.88 and 59,136 is: 81,607.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,437.04 : 151,022.88 = 59,136 : x
  2. Step 2: Convert to fraction form
    109,437.04/151,022.88 = 59,136/x
  3. Step 3: Cross multiply
    109,437.04x = 151,022.88 × 59,136
  4. Step 4: Simplify right side
    109,437.04x = 8,930,889,031.68
  5. Step 5: Solve for x
    x = 8,930,889,031.68/109,437.04
  6. Step 6: Final answer
    x = 81,607.55

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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.