Home / 99,184.26-136,898.10-56,767.40

Finding the Fourth Proportional to 99,184.26, 136,898.10 and 56,767.40

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Solution

The fourth proportional to 99,184.26, 136,898.10 and 56,767.40 is: 78,352.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,184.26 : 136,898.10 = 56,767.40 : x
  2. Step 2: Convert to fraction form
    99,184.26/136,898.10 = 56,767.40/x
  3. Step 3: Cross multiply
    99,184.26x = 136,898.10 × 56,767.40
  4. Step 4: Simplify right side
    99,184.26x = 7,771,349,030.82
  5. Step 5: Solve for x
    x = 7,771,349,030.82/99,184.26
  6. Step 6: Final answer
    x = 78,352.64

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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.