Home / 98,899.02-136,473.30-55,865.16

Finding the Fourth Proportional to 98,899.02, 136,473.30 and 55,865.16

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Solution

The fourth proportional to 98,899.02, 136,473.30 and 55,865.16 is: 77,089.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,899.02 : 136,473.30 = 55,865.16 : x
  2. Step 2: Convert to fraction form
    98,899.02/136,473.30 = 55,865.16/x
  3. Step 3: Cross multiply
    98,899.02x = 136,473.30 × 55,865.16
  4. Step 4: Simplify right side
    98,899.02x = 7,624,102,740.23
  5. Step 5: Solve for x
    x = 7,624,102,740.23/98,899.02
  6. Step 6: Final answer
    x = 77,089.77

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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.