Home / 106,955.77-147,555.70-61,609.46

Finding the Fourth Proportional to 106,955.77, 147,555.70 and 61,609.46

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Solution

The fourth proportional to 106,955.77, 147,555.70 and 61,609.46 is: 84,996.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,955.77 : 147,555.70 = 61,609.46 : x
  2. Step 2: Convert to fraction form
    106,955.77/147,555.70 = 61,609.46/x
  3. Step 3: Cross multiply
    106,955.77x = 147,555.70 × 61,609.46
  4. Step 4: Simplify right side
    106,955.77x = 9,090,827,108.40
  5. Step 5: Solve for x
    x = 9,090,827,108.40/106,955.77
  6. Step 6: Final answer
    x = 84,996.14

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1.5x scale

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.