Home / 79,587.03-109,827.81-43,777.05

Finding the Fourth Proportional to 79,587.03, 109,827.81 and 43,777.05

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Solution

The fourth proportional to 79,587.03, 109,827.81 and 43,777.05 is: 60,411.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,587.03 : 109,827.81 = 43,777.05 : x
  2. Step 2: Convert to fraction form
    79,587.03/109,827.81 = 43,777.05/x
  3. Step 3: Cross multiply
    79,587.03x = 109,827.81 × 43,777.05
  4. Step 4: Simplify right side
    79,587.03x = 4,807,937,117.91
  5. Step 5: Solve for x
    x = 4,807,937,117.91/79,587.03
  6. Step 6: Final answer
    x = 60,411.06

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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.