Home / 88,547.18-132,821.71-70,890.05

Finding the Fourth Proportional to 88,547.18, 132,821.71 and 70,890.05

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Solution

The fourth proportional to 88,547.18, 132,821.71 and 70,890.05 is: 106,335.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,547.18 : 132,821.71 = 70,890.05 : x
  2. Step 2: Convert to fraction form
    88,547.18/132,821.71 = 70,890.05/x
  3. Step 3: Cross multiply
    88,547.18x = 132,821.71 × 70,890.05
  4. Step 4: Simplify right side
    88,547.18x = 9,415,737,817.81
  5. Step 5: Solve for x
    x = 9,415,737,817.81/88,547.18
  6. Step 6: Final answer
    x = 106,335.84

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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.