Home / 125,789.02-173,613.66-72,110.08

Finding the Fourth Proportional to 125,789.02, 173,613.66 and 72,110.08

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Solution

The fourth proportional to 125,789.02, 173,613.66 and 72,110.08 is: 99,526.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,789.02 : 173,613.66 = 72,110.08 : x
  2. Step 2: Convert to fraction form
    125,789.02/173,613.66 = 72,110.08/x
  3. Step 3: Cross multiply
    125,789.02x = 173,613.66 × 72,110.08
  4. Step 4: Simplify right side
    125,789.02x = 12,519,294,911.69
  5. Step 5: Solve for x
    x = 12,519,294,911.69/125,789.02
  6. Step 6: Final answer
    x = 99,526.13

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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.