Home / 91,386.02-136,985.57-35,204.12

Finding the Fourth Proportional to 91,386.02, 136,985.57 and 35,204.12

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Solution

The fourth proportional to 91,386.02, 136,985.57 and 35,204.12 is: 52,770.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,386.02 : 136,985.57 = 35,204.12 : x
  2. Step 2: Convert to fraction form
    91,386.02/136,985.57 = 35,204.12/x
  3. Step 3: Cross multiply
    91,386.02x = 136,985.57 × 35,204.12
  4. Step 4: Simplify right side
    91,386.02x = 4,822,455,583.60
  5. Step 5: Solve for x
    x = 4,822,455,583.60/91,386.02
  6. Step 6: Final answer
    x = 52,770.17

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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.