Home / 86,298.19-119,030.14-57,603.38

Finding the Fourth Proportional to 86,298.19, 119,030.14 and 57,603.38

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Solution

The fourth proportional to 86,298.19, 119,030.14 and 57,603.38 is: 79,451.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,298.19 : 119,030.14 = 57,603.38 : x
  2. Step 2: Convert to fraction form
    86,298.19/119,030.14 = 57,603.38/x
  3. Step 3: Cross multiply
    86,298.19x = 119,030.14 × 57,603.38
  4. Step 4: Simplify right side
    86,298.19x = 6,856,537,862.73
  5. Step 5: Solve for x
    x = 6,856,537,862.73/86,298.19
  6. Step 6: Final answer
    x = 79,451.70

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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.