Home / 86,298.69-119,030.83-57,603.88

Finding the Fourth Proportional to 86,298.69, 119,030.83 and 57,603.88

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Solution

The fourth proportional to 86,298.69, 119,030.83 and 57,603.88 is: 79,452.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,298.69 : 119,030.83 = 57,603.88 : x
  2. Step 2: Convert to fraction form
    86,298.69/119,030.83 = 57,603.88/x
  3. Step 3: Cross multiply
    86,298.69x = 119,030.83 × 57,603.88
  4. Step 4: Simplify right side
    86,298.69x = 6,856,637,052.47
  5. Step 5: Solve for x
    x = 6,856,637,052.47/86,298.69
  6. Step 6: Final answer
    x = 79,452.39

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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.