Home / 55,501.52-76,599.60-31,307.45

Finding the Fourth Proportional to 55,501.52, 76,599.60 and 31,307.45

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Solution

The fourth proportional to 55,501.52, 76,599.60 and 31,307.45 is: 43,208.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,501.52 : 76,599.60 = 31,307.45 : x
  2. Step 2: Convert to fraction form
    55,501.52/76,599.60 = 31,307.45/x
  3. Step 3: Cross multiply
    55,501.52x = 76,599.60 × 31,307.45
  4. Step 4: Simplify right side
    55,501.52x = 2,398,138,147.02
  5. Step 5: Solve for x
    x = 2,398,138,147.02/55,501.52
  6. Step 6: Final answer
    x = 43,208.51

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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.