Home / 45,312.80-67,969.08-29,726.72

Finding the Fourth Proportional to 45,312.80, 67,969.08 and 29,726.72

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Solution

The fourth proportional to 45,312.80, 67,969.08 and 29,726.72 is: 44,590.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,312.80 : 67,969.08 = 29,726.72 : x
  2. Step 2: Convert to fraction form
    45,312.80/67,969.08 = 29,726.72/x
  3. Step 3: Cross multiply
    45,312.80x = 67,969.08 × 29,726.72
  4. Step 4: Simplify right side
    45,312.80x = 2,020,497,809.82
  5. Step 5: Solve for x
    x = 2,020,497,809.82/45,312.80
  6. Step 6: Final answer
    x = 44,590.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.