Home / 106,779.42-147,342.78-59,026.23

Finding the Fourth Proportional to 106,779.42, 147,342.78 and 59,026.23

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Solution

The fourth proportional to 106,779.42, 147,342.78 and 59,026.23 is: 81,449.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,779.42 : 147,342.78 = 59,026.23 : x
  2. Step 2: Convert to fraction form
    106,779.42/147,342.78 = 59,026.23/x
  3. Step 3: Cross multiply
    106,779.42x = 147,342.78 × 59,026.23
  4. Step 4: Simplify right side
    106,779.42x = 8,697,088,821.12
  5. Step 5: Solve for x
    x = 8,697,088,821.12/106,779.42
  6. Step 6: Final answer
    x = 81,449.11

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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.