Home / 46,505.07-64,156.28-30,986.91

Finding the Fourth Proportional to 46,505.07, 64,156.28 and 30,986.91

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Solution

The fourth proportional to 46,505.07, 64,156.28 and 30,986.91 is: 42,748.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,505.07 : 64,156.28 = 30,986.91 : x
  2. Step 2: Convert to fraction form
    46,505.07/64,156.28 = 30,986.91/x
  3. Step 3: Cross multiply
    46,505.07x = 64,156.28 × 30,986.91
  4. Step 4: Simplify right side
    46,505.07x = 1,988,004,719.36
  5. Step 5: Solve for x
    x = 1,988,004,719.36/46,505.07
  6. Step 6: Final answer
    x = 42,748.13

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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.