Home / 70,822.81-97,742.40-52,886.71

Finding the Fourth Proportional to 70,822.81, 97,742.40 and 52,886.71

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Solution

The fourth proportional to 70,822.81, 97,742.40 and 52,886.71 is: 72,988.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,822.81 : 97,742.40 = 52,886.71 : x
  2. Step 2: Convert to fraction form
    70,822.81/97,742.40 = 52,886.71/x
  3. Step 3: Cross multiply
    70,822.81x = 97,742.40 × 52,886.71
  4. Step 4: Simplify right side
    70,822.81x = 5,169,273,699.07
  5. Step 5: Solve for x
    x = 5,169,273,699.07/70,822.81
  6. Step 6: Final answer
    x = 72,988.83

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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.