Home / 91,774.08-126,640.76-51,482.24

Finding the Fourth Proportional to 91,774.08, 126,640.76 and 51,482.24

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Solution

The fourth proportional to 91,774.08, 126,640.76 and 51,482.24 is: 71,041.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,774.08 : 126,640.76 = 51,482.24 : x
  2. Step 2: Convert to fraction form
    91,774.08/126,640.76 = 51,482.24/x
  3. Step 3: Cross multiply
    91,774.08x = 126,640.76 × 51,482.24
  4. Step 4: Simplify right side
    91,774.08x = 6,519,750,000.10
  5. Step 5: Solve for x
    x = 6,519,750,000.10/91,774.08
  6. Step 6: Final answer
    x = 71,041.30

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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.