Home / 99,037.16-136,671.46-54,325.48

Finding the Fourth Proportional to 99,037.16, 136,671.46 and 54,325.48

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Solution

The fourth proportional to 99,037.16, 136,671.46 and 54,325.48 is: 74,969.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,037.16 : 136,671.46 = 54,325.48 : x
  2. Step 2: Convert to fraction form
    99,037.16/136,671.46 = 54,325.48/x
  3. Step 3: Cross multiply
    99,037.16x = 136,671.46 × 54,325.48
  4. Step 4: Simplify right side
    99,037.16x = 7,424,742,666.80
  5. Step 5: Solve for x
    x = 7,424,742,666.80/99,037.16
  6. Step 6: Final answer
    x = 74,969.26

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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.