Home / 106,785.90-147,365.46-59,041.26

Finding the Fourth Proportional to 106,785.90, 147,365.46 and 59,041.26

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Solution

The fourth proportional to 106,785.90, 147,365.46 and 59,041.26 is: 81,477.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,785.90 : 147,365.46 = 59,041.26 : x
  2. Step 2: Convert to fraction form
    106,785.90/147,365.46 = 59,041.26/x
  3. Step 3: Cross multiply
    106,785.90x = 147,365.46 × 59,041.26
  4. Step 4: Simplify right side
    106,785.90x = 8,700,642,438.88
  5. Step 5: Solve for x
    x = 8,700,642,438.88/106,785.90
  6. Step 6: Final answer
    x = 81,477.45

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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.