Home / 98,156.04-135,459.06-55,716.36

Finding the Fourth Proportional to 98,156.04, 135,459.06 and 55,716.36

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Solution

The fourth proportional to 98,156.04, 135,459.06 and 55,716.36 is: 76,890.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,156.04 : 135,459.06 = 55,716.36 : x
  2. Step 2: Convert to fraction form
    98,156.04/135,459.06 = 55,716.36/x
  3. Step 3: Cross multiply
    98,156.04x = 135,459.06 × 55,716.36
  4. Step 4: Simplify right side
    98,156.04x = 7,547,285,752.22
  5. Step 5: Solve for x
    x = 7,547,285,752.22/98,156.04
  6. Step 6: Final answer
    x = 76,890.69

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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.