Home / 99,064.12-136,678.62-60,784.36

Finding the Fourth Proportional to 99,064.12, 136,678.62 and 60,784.36

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Solution

The fourth proportional to 99,064.12, 136,678.62 and 60,784.36 is: 83,864.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,064.12 : 136,678.62 = 60,784.36 : x
  2. Step 2: Convert to fraction form
    99,064.12/136,678.62 = 60,784.36/x
  3. Step 3: Cross multiply
    99,064.12x = 136,678.62 × 60,784.36
  4. Step 4: Simplify right side
    99,064.12x = 8,307,922,442.38
  5. Step 5: Solve for x
    x = 8,307,922,442.38/99,064.12
  6. Step 6: Final answer
    x = 83,864.09

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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.