Home / 107,133.18-147,828.24-59,386.52

Finding the Fourth Proportional to 107,133.18, 147,828.24 and 59,386.52

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Solution

The fourth proportional to 107,133.18, 147,828.24 and 59,386.52 is: 81,944.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,133.18 : 147,828.24 = 59,386.52 : x
  2. Step 2: Convert to fraction form
    107,133.18/147,828.24 = 59,386.52/x
  3. Step 3: Cross multiply
    107,133.18x = 147,828.24 × 59,386.52
  4. Step 4: Simplify right side
    107,133.18x = 8,779,004,731.32
  5. Step 5: Solve for x
    x = 8,779,004,731.32/107,133.18
  6. Step 6: Final answer
    x = 81,944.78

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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.