Home / 115,571.04-159,488-62,579.04

Finding the Fourth Proportional to 115,571.04, 159,488 and 62,579.04

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Solution

The fourth proportional to 115,571.04, 159,488 and 62,579.04 is: 86,359.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,571.04 : 159,488 = 62,579.04 : x
  2. Step 2: Convert to fraction form
    115,571.04/159,488 = 62,579.04/x
  3. Step 3: Cross multiply
    115,571.04x = 159,488 × 62,579.04
  4. Step 4: Simplify right side
    115,571.04x = 9,980,605,931.52
  5. Step 5: Solve for x
    x = 9,980,605,931.52/115,571.04
  6. Step 6: Final answer
    x = 86,359.06

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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.