Home / 92,785.06-128,041.72-56,473.36

Finding the Fourth Proportional to 92,785.06, 128,041.72 and 56,473.36

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Solution

The fourth proportional to 92,785.06, 128,041.72 and 56,473.36 is: 77,932.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,785.06 : 128,041.72 = 56,473.36 : x
  2. Step 2: Convert to fraction form
    92,785.06/128,041.72 = 56,473.36/x
  3. Step 3: Cross multiply
    92,785.06x = 128,041.72 × 56,473.36
  4. Step 4: Simplify right side
    92,785.06x = 7,230,946,148.58
  5. Step 5: Solve for x
    x = 7,230,946,148.58/92,785.06
  6. Step 6: Final answer
    x = 77,932.22

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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.