Home / 45,707.04-63,102.93-28,725.66

Finding the Fourth Proportional to 45,707.04, 63,102.93 and 28,725.66

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Solution

The fourth proportional to 45,707.04, 63,102.93 and 28,725.66 is: 39,658.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,707.04 : 63,102.93 = 28,725.66 : x
  2. Step 2: Convert to fraction form
    45,707.04/63,102.93 = 28,725.66/x
  3. Step 3: Cross multiply
    45,707.04x = 63,102.93 × 28,725.66
  4. Step 4: Simplify right side
    45,707.04x = 1,812,673,312.18
  5. Step 5: Solve for x
    x = 1,812,673,312.18/45,707.04
  6. Step 6: Final answer
    x = 39,658.51

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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.