Home / 46,870.11-64,604.79-28,925.78

Finding the Fourth Proportional to 46,870.11, 64,604.79 and 28,925.78

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Solution

The fourth proportional to 46,870.11, 64,604.79 and 28,925.78 is: 39,870.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,870.11 : 64,604.79 = 28,925.78 : x
  2. Step 2: Convert to fraction form
    46,870.11/64,604.79 = 28,925.78/x
  3. Step 3: Cross multiply
    46,870.11x = 64,604.79 × 28,925.78
  4. Step 4: Simplify right side
    46,870.11x = 1,868,743,619.46
  5. Step 5: Solve for x
    x = 1,868,743,619.46/46,870.11
  6. Step 6: Final answer
    x = 39,870.69

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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.