Home / 56,103.89-77,397.27-33,430.16

Finding the Fourth Proportional to 56,103.89, 77,397.27 and 33,430.16

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Solution

The fourth proportional to 56,103.89, 77,397.27 and 33,430.16 is: 46,118.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,103.89 : 77,397.27 = 33,430.16 : x
  2. Step 2: Convert to fraction form
    56,103.89/77,397.27 = 33,430.16/x
  3. Step 3: Cross multiply
    56,103.89x = 77,397.27 × 33,430.16
  4. Step 4: Simplify right side
    56,103.89x = 2,587,402,732.68
  5. Step 5: Solve for x
    x = 2,587,402,732.68/56,103.89
  6. Step 6: Final answer
    x = 46,118.07

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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.