Home / 94,870.88-130,924.32-52,431.20

Finding the Fourth Proportional to 94,870.88, 130,924.32 and 52,431.20

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Solution

The fourth proportional to 94,870.88, 130,924.32 and 52,431.20 is: 72,356.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,870.88 : 130,924.32 = 52,431.20 : x
  2. Step 2: Convert to fraction form
    94,870.88/130,924.32 = 52,431.20/x
  3. Step 3: Cross multiply
    94,870.88x = 130,924.32 × 52,431.20
  4. Step 4: Simplify right side
    94,870.88x = 6,864,519,206.78
  5. Step 5: Solve for x
    x = 6,864,519,206.78/94,870.88
  6. Step 6: Final answer
    x = 72,356.44

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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.