Home / 98,985.58-136,600.14-53,663.56

Finding the Fourth Proportional to 98,985.58, 136,600.14 and 53,663.56

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Solution

The fourth proportional to 98,985.58, 136,600.14 and 53,663.56 is: 74,055.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,985.58 : 136,600.14 = 53,663.56 : x
  2. Step 2: Convert to fraction form
    98,985.58/136,600.14 = 53,663.56/x
  3. Step 3: Cross multiply
    98,985.58x = 136,600.14 × 53,663.56
  4. Step 4: Simplify right side
    98,985.58x = 7,330,449,808.90
  5. Step 5: Solve for x
    x = 7,330,449,808.90/98,985.58
  6. Step 6: Final answer
    x = 74,055.73

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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.