Home / 145,947.07-218,944.01-61,708.12

Finding the Fourth Proportional to 145,947.07, 218,944.01 and 61,708.12

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Solution

The fourth proportional to 145,947.07, 218,944.01 and 61,708.12 is: 92,572.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,947.07 : 218,944.01 = 61,708.12 : x
  2. Step 2: Convert to fraction form
    145,947.07/218,944.01 = 61,708.12/x
  3. Step 3: Cross multiply
    145,947.07x = 218,944.01 × 61,708.12
  4. Step 4: Simplify right side
    145,947.07x = 13,510,623,242.36
  5. Step 5: Solve for x
    x = 13,510,623,242.36/145,947.07
  6. Step 6: Final answer
    x = 92,572.08

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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.