Home / 99,044.24-136,492.09-70,700.72

Finding the Fourth Proportional to 99,044.24, 136,492.09 and 70,700.72

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Solution

The fourth proportional to 99,044.24, 136,492.09 and 70,700.72 is: 97,432.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,044.24 : 136,492.09 = 70,700.72 : x
  2. Step 2: Convert to fraction form
    99,044.24/136,492.09 = 70,700.72/x
  3. Step 3: Cross multiply
    99,044.24x = 136,492.09 × 70,700.72
  4. Step 4: Simplify right side
    99,044.24x = 9,650,088,178.09
  5. Step 5: Solve for x
    x = 9,650,088,178.09/99,044.24
  6. Step 6: Final answer
    x = 97,432.10

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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.