Home / 103,045.47-154,590.44-31,966.72

Finding the Fourth Proportional to 103,045.47, 154,590.44 and 31,966.72

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Solution

The fourth proportional to 103,045.47, 154,590.44 and 31,966.72 is: 47,956.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,045.47 : 154,590.44 = 31,966.72 : x
  2. Step 2: Convert to fraction form
    103,045.47/154,590.44 = 31,966.72/x
  3. Step 3: Cross multiply
    103,045.47x = 154,590.44 × 31,966.72
  4. Step 4: Simplify right side
    103,045.47x = 4,941,748,943.66
  5. Step 5: Solve for x
    x = 4,941,748,943.66/103,045.47
  6. Step 6: Final answer
    x = 47,956.98

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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.