Home / 105,825.60-158,608.80-46,598.40

Finding the Fourth Proportional to 105,825.60, 158,608.80 and 46,598.40

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Solution

The fourth proportional to 105,825.60, 158,608.80 and 46,598.40 is: 69,840.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,825.60 : 158,608.80 = 46,598.40 : x
  2. Step 2: Convert to fraction form
    105,825.60/158,608.80 = 46,598.40/x
  3. Step 3: Cross multiply
    105,825.60x = 158,608.80 × 46,598.40
  4. Step 4: Simplify right side
    105,825.60x = 7,390,916,305.92
  5. Step 5: Solve for x
    x = 7,390,916,305.92/105,825.60
  6. Step 6: Final answer
    x = 69,840.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.