Home / 53,907.12-80,762.16-39,079.26

Finding the Fourth Proportional to 53,907.12, 80,762.16 and 39,079.26

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Solution

The fourth proportional to 53,907.12, 80,762.16 and 39,079.26 is: 58,547.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,907.12 : 80,762.16 = 39,079.26 : x
  2. Step 2: Convert to fraction form
    53,907.12/80,762.16 = 39,079.26/x
  3. Step 3: Cross multiply
    53,907.12x = 80,762.16 × 39,079.26
  4. Step 4: Simplify right side
    53,907.12x = 3,156,125,448.80
  5. Step 5: Solve for x
    x = 3,156,125,448.80/53,907.12
  6. Step 6: Final answer
    x = 58,547.47

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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.