Home / 57,547.26-79,384.74-39,611.10

Finding the Fourth Proportional to 57,547.26, 79,384.74 and 39,611.10

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Solution

The fourth proportional to 57,547.26, 79,384.74 and 39,611.10 is: 54,642.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,547.26 : 79,384.74 = 39,611.10 : x
  2. Step 2: Convert to fraction form
    57,547.26/79,384.74 = 39,611.10/x
  3. Step 3: Cross multiply
    57,547.26x = 79,384.74 × 39,611.10
  4. Step 4: Simplify right side
    57,547.26x = 3,144,516,874.61
  5. Step 5: Solve for x
    x = 3,144,516,874.61/57,547.26
  6. Step 6: Final answer
    x = 54,642.34

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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.