Home / 92,988.19-128,323.60-50,547.03

Finding the Fourth Proportional to 92,988.19, 128,323.60 and 50,547.03

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Solution

The fourth proportional to 92,988.19, 128,323.60 and 50,547.03 is: 69,754.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,988.19 : 128,323.60 = 50,547.03 : x
  2. Step 2: Convert to fraction form
    92,988.19/128,323.60 = 50,547.03/x
  3. Step 3: Cross multiply
    92,988.19x = 128,323.60 × 50,547.03
  4. Step 4: Simplify right side
    92,988.19x = 6,486,376,858.91
  5. Step 5: Solve for x
    x = 6,486,376,858.91/92,988.19
  6. Step 6: Final answer
    x = 69,754.85

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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.