Home / 99,326.04-137,074.86-61,612.44

Finding the Fourth Proportional to 99,326.04, 137,074.86 and 61,612.44

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Solution

The fourth proportional to 99,326.04, 137,074.86 and 61,612.44 is: 85,028.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,326.04 : 137,074.86 = 61,612.44 : x
  2. Step 2: Convert to fraction form
    99,326.04/137,074.86 = 61,612.44/x
  3. Step 3: Cross multiply
    99,326.04x = 137,074.86 × 61,612.44
  4. Step 4: Simplify right side
    99,326.04x = 8,445,516,587.26
  5. Step 5: Solve for x
    x = 8,445,516,587.26/99,326.04
  6. Step 6: Final answer
    x = 85,028.22

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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.