Home / 104,587.29-144,331.58-56,840.64

Finding the Fourth Proportional to 104,587.29, 144,331.58 and 56,840.64

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Solution

The fourth proportional to 104,587.29, 144,331.58 and 56,840.64 is: 78,440.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,587.29 : 144,331.58 = 56,840.64 : x
  2. Step 2: Convert to fraction form
    104,587.29/144,331.58 = 56,840.64/x
  3. Step 3: Cross multiply
    104,587.29x = 144,331.58 × 56,840.64
  4. Step 4: Simplify right side
    104,587.29x = 8,203,899,095.21
  5. Step 5: Solve for x
    x = 8,203,899,095.21/104,587.29
  6. Step 6: Final answer
    x = 78,440.69

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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.