Home / 60,653.10-90,882.45-38,426.70

Finding the Fourth Proportional to 60,653.10, 90,882.45 and 38,426.70

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Solution

The fourth proportional to 60,653.10, 90,882.45 and 38,426.70 is: 57,578.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,653.10 : 90,882.45 = 38,426.70 : x
  2. Step 2: Convert to fraction form
    60,653.10/90,882.45 = 38,426.70/x
  3. Step 3: Cross multiply
    60,653.10x = 90,882.45 × 38,426.70
  4. Step 4: Simplify right side
    60,653.10x = 3,492,312,641.42
  5. Step 5: Solve for x
    x = 3,492,312,641.42/60,653.10
  6. Step 6: Final answer
    x = 57,578.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.