Home / 98,846.28-136,417.65-56,411.19

Finding the Fourth Proportional to 98,846.28, 136,417.65 and 56,411.19

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Solution

The fourth proportional to 98,846.28, 136,417.65 and 56,411.19 is: 77,853.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,846.28 : 136,417.65 = 56,411.19 : x
  2. Step 2: Convert to fraction form
    98,846.28/136,417.65 = 56,411.19/x
  3. Step 3: Cross multiply
    98,846.28x = 136,417.65 × 56,411.19
  4. Step 4: Simplify right side
    98,846.28x = 7,695,481,973.50
  5. Step 5: Solve for x
    x = 7,695,481,973.50/98,846.28
  6. Step 6: Final answer
    x = 77,853.03

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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.