Home / 98,991.47-136,606.54-55,970.24

Finding the Fourth Proportional to 98,991.47, 136,606.54 and 55,970.24

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Solution

The fourth proportional to 98,991.47, 136,606.54 and 55,970.24 is: 77,237.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,991.47 : 136,606.54 = 55,970.24 : x
  2. Step 2: Convert to fraction form
    98,991.47/136,606.54 = 55,970.24/x
  3. Step 3: Cross multiply
    98,991.47x = 136,606.54 × 55,970.24
  4. Step 4: Simplify right side
    98,991.47x = 7,645,900,829.37
  5. Step 5: Solve for x
    x = 7,645,900,829.37/98,991.47
  6. Step 6: Final answer
    x = 77,237.98

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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.