Home / 98,927.30-136,566.97-56,477.64

Finding the Fourth Proportional to 98,927.30, 136,566.97 and 56,477.64

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Solution

The fourth proportional to 98,927.30, 136,566.97 and 56,477.64 is: 77,966.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,927.30 : 136,566.97 = 56,477.64 : x
  2. Step 2: Convert to fraction form
    98,927.30/136,566.97 = 56,477.64/x
  3. Step 3: Cross multiply
    98,927.30x = 136,566.97 × 56,477.64
  4. Step 4: Simplify right side
    98,927.30x = 7,712,980,167.55
  5. Step 5: Solve for x
    x = 7,712,980,167.55/98,927.30
  6. Step 6: Final answer
    x = 77,966.14

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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.