Home / 112,931.64-169,415.76-38,058.48

Finding the Fourth Proportional to 112,931.64, 169,415.76 and 38,058.48

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Solution

The fourth proportional to 112,931.64, 169,415.76 and 38,058.48 is: 57,093.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,931.64 : 169,415.76 = 38,058.48 : x
  2. Step 2: Convert to fraction form
    112,931.64/169,415.76 = 38,058.48/x
  3. Step 3: Cross multiply
    112,931.64x = 169,415.76 × 38,058.48
  4. Step 4: Simplify right side
    112,931.64x = 6,447,706,313.64
  5. Step 5: Solve for x
    x = 6,447,706,313.64/112,931.64
  6. Step 6: Final answer
    x = 57,093.89

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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.