Home / 107,555.49-148,430.16-59,159.46

Finding the Fourth Proportional to 107,555.49, 148,430.16 and 59,159.46

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Solution

The fourth proportional to 107,555.49, 148,430.16 and 59,159.46 is: 81,642.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,555.49 : 148,430.16 = 59,159.46 : x
  2. Step 2: Convert to fraction form
    107,555.49/148,430.16 = 59,159.46/x
  3. Step 3: Cross multiply
    107,555.49x = 148,430.16 × 59,159.46
  4. Step 4: Simplify right side
    107,555.49x = 8,781,048,113.31
  5. Step 5: Solve for x
    x = 8,781,048,113.31/107,555.49
  6. Step 6: Final answer
    x = 81,642.03

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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.