Home / 53,461.02-73,781.69-30,800.86

Finding the Fourth Proportional to 53,461.02, 73,781.69 and 30,800.86

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Solution

The fourth proportional to 53,461.02, 73,781.69 and 30,800.86 is: 42,508.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,461.02 : 73,781.69 = 30,800.86 : x
  2. Step 2: Convert to fraction form
    53,461.02/73,781.69 = 30,800.86/x
  3. Step 3: Cross multiply
    53,461.02x = 73,781.69 × 30,800.86
  4. Step 4: Simplify right side
    53,461.02x = 2,272,539,581.26
  5. Step 5: Solve for x
    x = 2,272,539,581.26/53,461.02
  6. Step 6: Final answer
    x = 42,508.35

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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.