Home / 92,742.47-139,123.92-29,547.89

Finding the Fourth Proportional to 92,742.47, 139,123.92 and 29,547.89

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Solution

The fourth proportional to 92,742.47, 139,123.92 and 29,547.89 is: 44,325.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,742.47 : 139,123.92 = 29,547.89 : x
  2. Step 2: Convert to fraction form
    92,742.47/139,123.92 = 29,547.89/x
  3. Step 3: Cross multiply
    92,742.47x = 139,123.92 × 29,547.89
  4. Step 4: Simplify right side
    92,742.47x = 4,110,817,588.91
  5. Step 5: Solve for x
    x = 4,110,817,588.91/92,742.47
  6. Step 6: Final answer
    x = 44,325.08

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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.