Home / 125,038.56-172,567.08-71,336.82

Finding the Fourth Proportional to 125,038.56, 172,567.08 and 71,336.82

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Solution

The fourth proportional to 125,038.56, 172,567.08 and 71,336.82 is: 98,452.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,038.56 : 172,567.08 = 71,336.82 : x
  2. Step 2: Convert to fraction form
    125,038.56/172,567.08 = 71,336.82/x
  3. Step 3: Cross multiply
    125,038.56x = 172,567.08 × 71,336.82
  4. Step 4: Simplify right side
    125,038.56x = 12,310,386,723.89
  5. Step 5: Solve for x
    x = 12,310,386,723.89/125,038.56
  6. Step 6: Final answer
    x = 98,452.72

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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.