Home / 93,778.32-129,422.88-56,051.76

Finding the Fourth Proportional to 93,778.32, 129,422.88 and 56,051.76

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Solution

The fourth proportional to 93,778.32, 129,422.88 and 56,051.76 is: 77,356.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,778.32 : 129,422.88 = 56,051.76 : x
  2. Step 2: Convert to fraction form
    93,778.32/129,422.88 = 56,051.76/x
  3. Step 3: Cross multiply
    93,778.32x = 129,422.88 × 56,051.76
  4. Step 4: Simplify right side
    93,778.32x = 7,254,380,208.27
  5. Step 5: Solve for x
    x = 7,254,380,208.27/93,778.32
  6. Step 6: Final answer
    x = 77,356.69

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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.