Home / 115,726.04-159,702.54-67,356.62

Finding the Fourth Proportional to 115,726.04, 159,702.54 and 67,356.62

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Solution

The fourth proportional to 115,726.04, 159,702.54 and 67,356.62 is: 92,952.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,726.04 : 159,702.54 = 67,356.62 : x
  2. Step 2: Convert to fraction form
    115,726.04/159,702.54 = 67,356.62/x
  3. Step 3: Cross multiply
    115,726.04x = 159,702.54 × 67,356.62
  4. Step 4: Simplify right side
    115,726.04x = 10,757,023,299.81
  5. Step 5: Solve for x
    x = 10,757,023,299.81/115,726.04
  6. Step 6: Final answer
    x = 92,952.49

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1.5x scale

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.