Home / 53,479.69-73,802.85-29,280.25

Finding the Fourth Proportional to 53,479.69, 73,802.85 and 29,280.25

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Solution

The fourth proportional to 53,479.69, 73,802.85 and 29,280.25 is: 40,407.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,479.69 : 73,802.85 = 29,280.25 : x
  2. Step 2: Convert to fraction form
    53,479.69/73,802.85 = 29,280.25/x
  3. Step 3: Cross multiply
    53,479.69x = 73,802.85 × 29,280.25
  4. Step 4: Simplify right side
    53,479.69x = 2,160,965,898.71
  5. Step 5: Solve for x
    x = 2,160,965,898.71/53,479.69
  6. Step 6: Final answer
    x = 40,407.23

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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.