Home / 105,159.36-157,655.28-60,735.84

Finding the Fourth Proportional to 105,159.36, 157,655.28 and 60,735.84

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Solution

The fourth proportional to 105,159.36, 157,655.28 and 60,735.84 is: 91,055.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,159.36 : 157,655.28 = 60,735.84 : x
  2. Step 2: Convert to fraction form
    105,159.36/157,655.28 = 60,735.84/x
  3. Step 3: Cross multiply
    105,159.36x = 157,655.28 × 60,735.84
  4. Step 4: Simplify right side
    105,159.36x = 9,575,325,861.24
  5. Step 5: Solve for x
    x = 9,575,325,861.24/105,159.36
  6. Step 6: Final answer
    x = 91,055.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.