Home / 98,853.36-136,419.84-56,411.04

Finding the Fourth Proportional to 98,853.36, 136,419.84 and 56,411.04

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Solution

The fourth proportional to 98,853.36, 136,419.84 and 56,411.04 is: 77,848.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,853.36 : 136,419.84 = 56,411.04 : x
  2. Step 2: Convert to fraction form
    98,853.36/136,419.84 = 56,411.04/x
  3. Step 3: Cross multiply
    98,853.36x = 136,419.84 × 56,411.04
  4. Step 4: Simplify right side
    98,853.36x = 7,695,585,051.03
  5. Step 5: Solve for x
    x = 7,695,585,051.03/98,853.36
  6. Step 6: Final answer
    x = 77,848.49

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1.5x scale

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.