Home / 78,225.22-107,969.48-46,412.58

Finding the Fourth Proportional to 78,225.22, 107,969.48 and 46,412.58

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Solution

The fourth proportional to 78,225.22, 107,969.48 and 46,412.58 is: 64,060.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,225.22 : 107,969.48 = 46,412.58 : x
  2. Step 2: Convert to fraction form
    78,225.22/107,969.48 = 46,412.58/x
  3. Step 3: Cross multiply
    78,225.22x = 107,969.48 × 46,412.58
  4. Step 4: Simplify right side
    78,225.22x = 5,011,142,128.06
  5. Step 5: Solve for x
    x = 5,011,142,128.06/78,225.22
  6. Step 6: Final answer
    x = 64,060.44

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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.