Home / 91,252.63-136,688.26-73,386.66

Finding the Fourth Proportional to 91,252.63, 136,688.26 and 73,386.66

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Solution

The fourth proportional to 91,252.63, 136,688.26 and 73,386.66 is: 109,926.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,252.63 : 136,688.26 = 73,386.66 : x
  2. Step 2: Convert to fraction form
    91,252.63/136,688.26 = 73,386.66/x
  3. Step 3: Cross multiply
    91,252.63x = 136,688.26 × 73,386.66
  4. Step 4: Simplify right side
    91,252.63x = 10,031,094,862.61
  5. Step 5: Solve for x
    x = 10,031,094,862.61/91,252.63
  6. Step 6: Final answer
    x = 109,926.64

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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.