Home / 106,898.15-147,535.02-61,567.31

Finding the Fourth Proportional to 106,898.15, 147,535.02 and 61,567.31

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Solution

The fourth proportional to 106,898.15, 147,535.02 and 61,567.31 is: 84,971.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,898.15 : 147,535.02 = 61,567.31 : x
  2. Step 2: Convert to fraction form
    106,898.15/147,535.02 = 61,567.31/x
  3. Step 3: Cross multiply
    106,898.15x = 147,535.02 × 61,567.31
  4. Step 4: Simplify right side
    106,898.15x = 9,083,334,681.03
  5. Step 5: Solve for x
    x = 9,083,334,681.03/106,898.15
  6. Step 6: Final answer
    x = 84,971.86

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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.