Home / 94,521.78-130,440.51-52,080.21

Finding the Fourth Proportional to 94,521.78, 130,440.51 and 52,080.21

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Solution

The fourth proportional to 94,521.78, 130,440.51 and 52,080.21 is: 71,870.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,521.78 : 130,440.51 = 52,080.21 : x
  2. Step 2: Convert to fraction form
    94,521.78/130,440.51 = 52,080.21/x
  3. Step 3: Cross multiply
    94,521.78x = 130,440.51 × 52,080.21
  4. Step 4: Simplify right side
    94,521.78x = 6,793,369,153.31
  5. Step 5: Solve for x
    x = 6,793,369,153.31/94,521.78
  6. Step 6: Final answer
    x = 71,870.94

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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.