Home / 99,534.04-137,374.86-57,106.60

Finding the Fourth Proportional to 99,534.04, 137,374.86 and 57,106.60

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Solution

The fourth proportional to 99,534.04, 137,374.86 and 57,106.60 is: 78,817.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,534.04 : 137,374.86 = 57,106.60 : x
  2. Step 2: Convert to fraction form
    99,534.04/137,374.86 = 57,106.60/x
  3. Step 3: Cross multiply
    99,534.04x = 137,374.86 × 57,106.60
  4. Step 4: Simplify right side
    99,534.04x = 7,845,011,180.08
  5. Step 5: Solve for x
    x = 7,845,011,180.08/99,534.04
  6. Step 6: Final answer
    x = 78,817.37

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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.