Home / 55,459.26-76,547.39-31,600.04

Finding the Fourth Proportional to 55,459.26, 76,547.39 and 31,600.04

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Solution

The fourth proportional to 55,459.26, 76,547.39 and 31,600.04 is: 43,615.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,459.26 : 76,547.39 = 31,600.04 : x
  2. Step 2: Convert to fraction form
    55,459.26/76,547.39 = 31,600.04/x
  3. Step 3: Cross multiply
    55,459.26x = 76,547.39 × 31,600.04
  4. Step 4: Simplify right side
    55,459.26x = 2,418,900,045.16
  5. Step 5: Solve for x
    x = 2,418,900,045.16/55,459.26
  6. Step 6: Final answer
    x = 43,615.80

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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.