Home / 99,577.88-137,354.70-59,261.55

Finding the Fourth Proportional to 99,577.88, 137,354.70 and 59,261.55

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Solution

The fourth proportional to 99,577.88, 137,354.70 and 59,261.55 is: 81,743.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,577.88 : 137,354.70 = 59,261.55 : x
  2. Step 2: Convert to fraction form
    99,577.88/137,354.70 = 59,261.55/x
  3. Step 3: Cross multiply
    99,577.88x = 137,354.70 × 59,261.55
  4. Step 4: Simplify right side
    99,577.88x = 8,139,852,421.79
  5. Step 5: Solve for x
    x = 8,139,852,421.79/99,577.88
  6. Step 6: Final answer
    x = 81,743.58

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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.