Home / 84,417.34-116,488.10-46,690.78

Finding the Fourth Proportional to 84,417.34, 116,488.10 and 46,690.78

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Solution

The fourth proportional to 84,417.34, 116,488.10 and 46,690.78 is: 64,428.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,417.34 : 116,488.10 = 46,690.78 : x
  2. Step 2: Convert to fraction form
    84,417.34/116,488.10 = 46,690.78/x
  3. Step 3: Cross multiply
    84,417.34x = 116,488.10 × 46,690.78
  4. Step 4: Simplify right side
    84,417.34x = 5,438,920,249.72
  5. Step 5: Solve for x
    x = 5,438,920,249.72/84,417.34
  6. Step 6: Final answer
    x = 64,428.95

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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.