Home / 98,935.04-136,533.84-56,492.88

Finding the Fourth Proportional to 98,935.04, 136,533.84 and 56,492.88

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Solution

The fourth proportional to 98,935.04, 136,533.84 and 56,492.88 is: 77,962.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,935.04 : 136,533.84 = 56,492.88 : x
  2. Step 2: Convert to fraction form
    98,935.04/136,533.84 = 56,492.88/x
  3. Step 3: Cross multiply
    98,935.04x = 136,533.84 × 56,492.88
  4. Step 4: Simplify right side
    98,935.04x = 7,713,189,839.06
  5. Step 5: Solve for x
    x = 7,713,189,839.06/98,935.04
  6. Step 6: Final answer
    x = 77,962.16

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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.