Home / 94,701.66-130,680.86-56,458.32

Finding the Fourth Proportional to 94,701.66, 130,680.86 and 56,458.32

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Solution

The fourth proportional to 94,701.66, 130,680.86 and 56,458.32 is: 77,908.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,701.66 : 130,680.86 = 56,458.32 : x
  2. Step 2: Convert to fraction form
    94,701.66/130,680.86 = 56,458.32/x
  3. Step 3: Cross multiply
    94,701.66x = 130,680.86 × 56,458.32
  4. Step 4: Simplify right side
    94,701.66x = 7,378,021,529.46
  5. Step 5: Solve for x
    x = 7,378,021,529.46/94,701.66
  6. Step 6: Final answer
    x = 77,908.05

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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.