Home / 84,925.47-127,400.50-31,613.01

Finding the Fourth Proportional to 84,925.47, 127,400.50 and 31,613.01

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Solution

The fourth proportional to 84,925.47, 127,400.50 and 31,613.01 is: 47,424.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,925.47 : 127,400.50 = 31,613.01 : x
  2. Step 2: Convert to fraction form
    84,925.47/127,400.50 = 31,613.01/x
  3. Step 3: Cross multiply
    84,925.47x = 127,400.50 × 31,613.01
  4. Step 4: Simplify right side
    84,925.47x = 4,027,513,797.77
  5. Step 5: Solve for x
    x = 4,027,513,797.77/84,925.47
  6. Step 6: Final answer
    x = 47,424.10

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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.