Home / 78,023.04-107,673.36-46,180.32

Finding the Fourth Proportional to 78,023.04, 107,673.36 and 46,180.32

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Solution

The fourth proportional to 78,023.04, 107,673.36 and 46,180.32 is: 63,729.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,023.04 : 107,673.36 = 46,180.32 : x
  2. Step 2: Convert to fraction form
    78,023.04/107,673.36 = 46,180.32/x
  3. Step 3: Cross multiply
    78,023.04x = 107,673.36 × 46,180.32
  4. Step 4: Simplify right side
    78,023.04x = 4,972,390,220.28
  5. Step 5: Solve for x
    x = 4,972,390,220.28/78,023.04
  6. Step 6: Final answer
    x = 63,729.77

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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.