Home / 118,434.95-163,433.26-64,709.27

Finding the Fourth Proportional to 118,434.95, 163,433.26 and 64,709.27

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Solution

The fourth proportional to 118,434.95, 163,433.26 and 64,709.27 is: 89,294.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,434.95 : 163,433.26 = 64,709.27 : x
  2. Step 2: Convert to fraction form
    118,434.95/163,433.26 = 64,709.27/x
  3. Step 3: Cross multiply
    118,434.95x = 163,433.26 × 64,709.27
  4. Step 4: Simplify right side
    118,434.95x = 10,575,646,948.32
  5. Step 5: Solve for x
    x = 10,575,646,948.32/118,434.95
  6. Step 6: Final answer
    x = 89,294.98

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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.