Home / 98,686.17-136,186.83-53,364.06

Finding the Fourth Proportional to 98,686.17, 136,186.83 and 53,364.06

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Solution

The fourth proportional to 98,686.17, 136,186.83 and 53,364.06 is: 73,642.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,686.17 : 136,186.83 = 53,364.06 : x
  2. Step 2: Convert to fraction form
    98,686.17/136,186.83 = 53,364.06/x
  3. Step 3: Cross multiply
    98,686.17x = 136,186.83 × 53,364.06
  4. Step 4: Simplify right side
    98,686.17x = 7,267,482,167.33
  5. Step 5: Solve for x
    x = 7,267,482,167.33/98,686.17
  6. Step 6: Final answer
    x = 73,642.36

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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.