Home / 98,925.44-136,456.45-80,802.50

Finding the Fourth Proportional to 98,925.44, 136,456.45 and 80,802.50

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Solution

The fourth proportional to 98,925.44, 136,456.45 and 80,802.50 is: 111,457.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,925.44 : 136,456.45 = 80,802.50 : x
  2. Step 2: Convert to fraction form
    98,925.44/136,456.45 = 80,802.50/x
  3. Step 3: Cross multiply
    98,925.44x = 136,456.45 × 80,802.50
  4. Step 4: Simplify right side
    98,925.44x = 11,026,021,416.84
  5. Step 5: Solve for x
    x = 11,026,021,416.84/98,925.44
  6. Step 6: Final answer
    x = 111,457.90

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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.